yet another blueimp vulnerability. Move to composer.

15 files changed, 0 insertions, 5037 deletions

diff --git a/library/blueimp_upload/js/app.js b/library/blueimp_upload/js/app.js
deleted file mode 100644
index e6b7bce3e..000000000
--- a/library/blueimp_upload/js/app.js
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * jQuery File Upload Plugin Angular JS Example
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global window, angular */
-
-;(function () {
-    'use strict';
-
-    var isOnGitHub = window.location.hostname === 'blueimp.github.io',
-        url = isOnGitHub ? '//jquery-file-upload.appspot.com/' : 'server/php/';
-
-    angular.module('demo', [
-        'blueimp.fileupload'
-    ])
-        .config([
-            '$httpProvider', 'fileUploadProvider',
-            function ($httpProvider, fileUploadProvider) {
-                delete $httpProvider.defaults.headers.common['X-Requested-With'];
-                fileUploadProvider.defaults.redirect = window.location.href.replace(
-                    /\/[^\/]*$/,
-                    '/cors/result.html?%s'
-                );
-                if (isOnGitHub) {
-                    // Demo settings:
-                    angular.extend(fileUploadProvider.defaults, {
-                        // Enable image resizing, except for Android and Opera,
-                        // which actually support image resizing, but fail to
-                        // send Blob objects via XHR requests:
-                        disableImageResize: /Android(?!.*Chrome)|Opera/
-                            .test(window.navigator.userAgent),
-                        maxFileSize: 999000,
-                        acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i
-                    });
-                }
-            }
-        ])
-
-        .controller('DemoFileUploadController', [
-            '$scope', '$http', '$filter', '$window',
-            function ($scope, $http) {
-                $scope.options = {
-                    url: url
-                };
-                if (!isOnGitHub) {
-                    $scope.loadingFiles = true;
-                    $http.get(url)
-                        .then(
-                            function (response) {
-                                $scope.loadingFiles = false;
-                                $scope.queue = response.data.files || [];
-                            },
-                            function () {
-                                $scope.loadingFiles = false;
-                            }
-                        );
-                }
-            }
-        ])
-
-        .controller('FileDestroyController', [
-            '$scope', '$http',
-            function ($scope, $http) {
-                var file = $scope.file,
-                    state;
-                if (file.url) {
-                    file.$state = function () {
-                        return state;
-                    };
-                    file.$destroy = function () {
-                        state = 'pending';
-                        return $http({
-                            url: file.deleteUrl,
-                            method: file.deleteType
-                        }).then(
-                            function () {
-                                state = 'resolved';
-                                $scope.clear(file);
-                            },
-                            function () {
-                                state = 'rejected';
-                            }
-                        );
-                    };
-                } else if (!file.$cancel && !file._index) {
-                    file.$cancel = function () {
-                        $scope.clear(file);
-                    };
-                }
-            }
-        ]);
-
-}());
diff --git a/library/blueimp_upload/js/cors/jquery.postmessage-transport.js b/library/blueimp_upload/js/cors/jquery.postmessage-transport.js
deleted file mode 100644
index 2a0c38cb6..000000000
--- a/library/blueimp_upload/js/cors/jquery.postmessage-transport.js
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * jQuery postMessage Transport Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2011, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* global define, require, window, document */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define(['jquery'], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(require('jquery'));
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    var counter = 0,
-        names = [
-            'accepts',
-            'cache',
-            'contents',
-            'contentType',
-            'crossDomain',
-            'data',
-            'dataType',
-            'headers',
-            'ifModified',
-            'mimeType',
-            'password',
-            'processData',
-            'timeout',
-            'traditional',
-            'type',
-            'url',
-            'username'
-        ],
-        convert = function (p) {
-            return p;
-        };
-
-    $.ajaxSetup({
-        converters: {
-            'postmessage text': convert,
-            'postmessage json': convert,
-            'postmessage html': convert
-        }
-    });
-
-    $.ajaxTransport('postmessage', function (options) {
-        if (options.postMessage && window.postMessage) {
-            var iframe,
-                loc = $('<a>').prop('href', options.postMessage)[0],
-                target = loc.protocol + '//' + loc.host,
-                xhrUpload = options.xhr().upload;
-            // IE always includes the port for the host property of a link
-            // element, but not in the location.host or origin property for the
-            // default http port 80 and https port 443, so we strip it:
-            if (/^(http:\/\/.+:80)|(https:\/\/.+:443)$/.test(target)) {
-              target = target.replace(/:(80|443)$/, '');
-            }
-            return {
-                send: function (_, completeCallback) {
-                    counter += 1;
-                    var message = {
-                            id: 'postmessage-transport-' + counter
-                        },
-                        eventName = 'message.' + message.id;
-                    iframe = $(
-                        '<iframe style="display:none;" src="' +
-                            options.postMessage + '" name="' +
-                            message.id + '"></iframe>'
-                    ).bind('load', function () {
-                        $.each(names, function (i, name) {
-                            message[name] = options[name];
-                        });
-                        message.dataType = message.dataType.replace('postmessage ', '');
-                        $(window).bind(eventName, function (e) {
-                            e = e.originalEvent;
-                            var data = e.data,
-                                ev;
-                            if (e.origin === target && data.id === message.id) {
-                                if (data.type === 'progress') {
-                                    ev = document.createEvent('Event');
-                                    ev.initEvent(data.type, false, true);
-                                    $.extend(ev, data);
-                                    xhrUpload.dispatchEvent(ev);
-                                } else {
-                                    completeCallback(
-                                        data.status,
-                                        data.statusText,
-                                        {postmessage: data.result},
-                                        data.headers
-                                    );
-                                    iframe.remove();
-                                    $(window).unbind(eventName);
-                                }
-                            }
-                        });
-                        iframe[0].contentWindow.postMessage(
-                            message,
-                            target
-                        );
-                    }).appendTo(document.body);
-                },
-                abort: function () {
-                    if (iframe) {
-                        iframe.remove();
-                    }
-                }
-            };
-        }
-    });
-
-}));
diff --git a/library/blueimp_upload/js/cors/jquery.xdr-transport.js b/library/blueimp_upload/js/cors/jquery.xdr-transport.js
deleted file mode 100644
index a4e2699c6..000000000
--- a/library/blueimp_upload/js/cors/jquery.xdr-transport.js
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * jQuery XDomainRequest Transport Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2011, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- *
- * Based on Julian Aubourg's ajaxHooks xdr.js:
- * https://github.com/jaubourg/ajaxHooks/
- */
-
-/* global define, require, window, XDomainRequest */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define(['jquery'], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(require('jquery'));
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-    if (window.XDomainRequest && !$.support.cors) {
-        $.ajaxTransport(function (s) {
-            if (s.crossDomain && s.async) {
-                if (s.timeout) {
-                    s.xdrTimeout = s.timeout;
-                    delete s.timeout;
-                }
-                var xdr;
-                return {
-                    send: function (headers, completeCallback) {
-                        var addParamChar = /\?/.test(s.url) ? '&' : '?';
-                        function callback(status, statusText, responses, responseHeaders) {
-                            xdr.onload = xdr.onerror = xdr.ontimeout = $.noop;
-                            xdr = null;
-                            completeCallback(status, statusText, responses, responseHeaders);
-                        }
-                        xdr = new XDomainRequest();
-                        // XDomainRequest only supports GET and POST:
-                        if (s.type === 'DELETE') {
-                            s.url = s.url + addParamChar + '_method=DELETE';
-                            s.type = 'POST';
-                        } else if (s.type === 'PUT') {
-                            s.url = s.url + addParamChar + '_method=PUT';
-                            s.type = 'POST';
-                        } else if (s.type === 'PATCH') {
-                            s.url = s.url + addParamChar + '_method=PATCH';
-                            s.type = 'POST';
-                        }
-                        xdr.open(s.type, s.url);
-                        xdr.onload = function () {
-                            callback(
-                                200,
-                                'OK',
-                                {text: xdr.responseText},
-                                'Content-Type: ' + xdr.contentType
-                            );
-                        };
-                        xdr.onerror = function () {
-                            callback(404, 'Not Found');
-                        };
-                        if (s.xdrTimeout) {
-                            xdr.ontimeout = function () {
-                                callback(0, 'timeout');
-                            };
-                            xdr.timeout = s.xdrTimeout;
-                        }
-                        xdr.send((s.hasContent && s.data) || null);
-                    },
-                    abort: function () {
-                        if (xdr) {
-                            xdr.onerror = $.noop();
-                            xdr.abort();
-                        }
-                    }
-                };
-            }
-        });
-    }
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-angular.js b/library/blueimp_upload/js/jquery.fileupload-angular.js
deleted file mode 100644
index 185907d36..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-angular.js
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * jQuery File Upload AngularJS Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, angular, require */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'angular',
-            './jquery.fileupload-image',
-            './jquery.fileupload-audio',
-            './jquery.fileupload-video',
-            './jquery.fileupload-validate'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('angular'),
-            require('./jquery.fileupload-image'),
-            require('./jquery.fileupload-audio'),
-            require('./jquery.fileupload-video'),
-            require('./jquery.fileupload-validate')
-        );
-    } else {
-        factory();
-    }
-}(function () {
-    'use strict';
-
-    angular.module('blueimp.fileupload', [])
-
-        // The fileUpload service provides configuration options
-        // for the fileUpload directive and default handlers for
-        // File Upload events:
-        .provider('fileUpload', function () {
-            var scopeEvalAsync = function (expression) {
-                    var scope = angular.element(this)
-                            .fileupload('option', 'scope');
-                    // Schedule a new $digest cycle if not already inside of one
-                    // and evaluate the given expression:
-                    scope.$evalAsync(expression);
-                },
-                addFileMethods = function (scope, data) {
-                    var files = data.files,
-                        file = files[0];
-                    angular.forEach(files, function (file, index) {
-                        file._index = index;
-                        file.$state = function () {
-                            return data.state();
-                        };
-                        file.$processing = function () {
-                            return data.processing();
-                        };
-                        file.$progress = function () {
-                            return data.progress();
-                        };
-                        file.$response = function () {
-                            return data.response();
-                        };
-                    });
-                    file.$submit = function () {
-                        if (!file.error) {
-                            return data.submit();
-                        }
-                    };
-                    file.$cancel = function () {
-                        return data.abort();
-                    };
-                },
-                $config;
-            $config = this.defaults = {
-                handleResponse: function (e, data) {
-                    var files = data.result && data.result.files;
-                    if (files) {
-                        data.scope.replace(data.files, files);
-                    } else if (data.errorThrown ||
-                            data.textStatus === 'error') {
-                        data.files[0].error = data.errorThrown ||
-                            data.textStatus;
-                    }
-                },
-                add: function (e, data) {
-                    if (e.isDefaultPrevented()) {
-                        return false;
-                    }
-                    var scope = data.scope,
-                        filesCopy = [];
-                    angular.forEach(data.files, function (file) {
-                        filesCopy.push(file);
-                    });
-                    scope.$parent.$applyAsync(function () {
-                        addFileMethods(scope, data);
-                        var method = scope.option('prependFiles') ?
-                                'unshift' : 'push';
-                        Array.prototype[method].apply(scope.queue, data.files);
-                    });
-                    data.process(function () {
-                        return scope.process(data);
-                    }).always(function () {
-                        scope.$parent.$applyAsync(function () {
-                            addFileMethods(scope, data);
-                            scope.replace(filesCopy, data.files);
-                        });
-                    }).then(function () {
-                        if ((scope.option('autoUpload') ||
-                                data.autoUpload) &&
-                                data.autoUpload !== false) {
-                            data.submit();
-                        }
-                    });
-                },
-                done: function (e, data) {
-                    if (e.isDefaultPrevented()) {
-                        return false;
-                    }
-                    var that = this;
-                    data.scope.$apply(function () {
-                        data.handleResponse.call(that, e, data);
-                    });
-                },
-                fail: function (e, data) {
-                    if (e.isDefaultPrevented()) {
-                        return false;
-                    }
-                    var that = this,
-                        scope = data.scope;
-                    if (data.errorThrown === 'abort') {
-                        scope.clear(data.files);
-                        return;
-                    }
-                    scope.$apply(function () {
-                        data.handleResponse.call(that, e, data);
-                    });
-                },
-                stop: scopeEvalAsync,
-                processstart: scopeEvalAsync,
-                processstop: scopeEvalAsync,
-                getNumberOfFiles: function () {
-                    var scope = this.scope;
-                    return scope.queue.length - scope.processing();
-                },
-                dataType: 'json',
-                autoUpload: false
-            };
-            this.$get = [
-                function () {
-                    return {
-                        defaults: $config
-                    };
-                }
-            ];
-        })
-
-        // Format byte numbers to readable presentations:
-        .provider('formatFileSizeFilter', function () {
-            var $config = {
-                // Byte units following the IEC format
-                // http://en.wikipedia.org/wiki/Kilobyte
-                units: [
-                    {size: 1000000000, suffix: ' GB'},
-                    {size: 1000000, suffix: ' MB'},
-                    {size: 1000, suffix: ' KB'}
-                ]
-            };
-            this.defaults = $config;
-            this.$get = function () {
-                return function (bytes) {
-                    if (!angular.isNumber(bytes)) {
-                        return '';
-                    }
-                    var unit = true,
-                        i = 0,
-                        prefix,
-                        suffix;
-                    while (unit) {
-                        unit = $config.units[i];
-                        prefix = unit.prefix || '';
-                        suffix = unit.suffix || '';
-                        if (i === $config.units.length - 1 || bytes >= unit.size) {
-                            return prefix + (bytes / unit.size).toFixed(2) + suffix;
-                        }
-                        i += 1;
-                    }
-                };
-            };
-        })
-
-        // The FileUploadController initializes the fileupload widget and
-        // provides scope methods to control the File Upload functionality:
-        .controller('FileUploadController', [
-            '$scope', '$element', '$attrs', '$window', 'fileUpload','$q',
-            function ($scope, $element, $attrs, $window, fileUpload, $q) {
-                var uploadMethods = {
-                    progress: function () {
-                        return $element.fileupload('progress');
-                    },
-                    active: function () {
-                        return $element.fileupload('active');
-                    },
-                    option: function (option, data) {
-                        if (arguments.length === 1) {
-                            return $element.fileupload('option', option);
-                        }
-                        $element.fileupload('option', option, data);
-                    },
-                    add: function (data) {
-                        return $element.fileupload('add', data);
-                    },
-                    send: function (data) {
-                        return $element.fileupload('send', data);
-                    },
-                    process: function (data) {
-                        return $element.fileupload('process', data);
-                    },
-                    processing: function (data) {
-                        return $element.fileupload('processing', data);
-                    }
-                };
-                $scope.disabled = !$window.jQuery.support.fileInput;
-                $scope.queue = $scope.queue || [];
-                $scope.clear = function (files) {
-                    var queue = this.queue,
-                        i = queue.length,
-                        file = files,
-                        length = 1;
-                    if (angular.isArray(files)) {
-                        file = files[0];
-                        length = files.length;
-                    }
-                    while (i) {
-                        i -= 1;
-                        if (queue[i] === file) {
-                            return queue.splice(i, length);
-                        }
-                    }
-                };
-                $scope.replace = function (oldFiles, newFiles) {
-                    var queue = this.queue,
-                        file = oldFiles[0],
-                        i,
-                        j;
-                    for (i = 0; i < queue.length; i += 1) {
-                        if (queue[i] === file) {
-                            for (j = 0; j < newFiles.length; j += 1) {
-                                queue[i + j] = newFiles[j];
-                            }
-                            return;
-                        }
-                    }
-                };
-                $scope.applyOnQueue = function (method) {
-                    var list = this.queue.slice(0),
-                        i,
-                        file,
-                        promises = [];
-                    for (i = 0; i < list.length; i += 1) {
-                        file = list[i];
-                        if (file[method]) {
-                            promises.push(file[method]());
-                        }
-                    }
-                    return $q.all(promises);
-                };
-                $scope.submit = function () {
-                    return this.applyOnQueue('$submit');
-                };
-                $scope.cancel = function () {
-                    return this.applyOnQueue('$cancel');
-                };
-                // Add upload methods to the scope:
-                angular.extend($scope, uploadMethods);
-                // The fileupload widget will initialize with
-                // the options provided via "data-"-parameters,
-                // as well as those given via options object:
-                $element.fileupload(angular.extend(
-                    {scope: $scope},
-                    fileUpload.defaults
-                )).on('fileuploadadd', function (e, data) {
-                    data.scope = $scope;
-                }).on('fileuploadfail', function (e, data) {
-                    if (data.errorThrown === 'abort') {
-                        return;
-                    }
-                    if (data.dataType &&
-                            data.dataType.indexOf('json') === data.dataType.length - 4) {
-                        try {
-                            data.result = angular.fromJson(data.jqXHR.responseText);
-                        } catch (ignore) {}
-                    }
-                }).on([
-                    'fileuploadadd',
-                    'fileuploadsubmit',
-                    'fileuploadsend',
-                    'fileuploaddone',
-                    'fileuploadfail',
-                    'fileuploadalways',
-                    'fileuploadprogress',
-                    'fileuploadprogressall',
-                    'fileuploadstart',
-                    'fileuploadstop',
-                    'fileuploadchange',
-                    'fileuploadpaste',
-                    'fileuploaddrop',
-                    'fileuploaddragover',
-                    'fileuploadchunkbeforesend',
-                    'fileuploadchunksend',
-                    'fileuploadchunkdone',
-                    'fileuploadchunkfail',
-                    'fileuploadchunkalways',
-                    'fileuploadprocessstart',
-                    'fileuploadprocess',
-                    'fileuploadprocessdone',
-                    'fileuploadprocessfail',
-                    'fileuploadprocessalways',
-                    'fileuploadprocessstop'
-                ].join(' '), function (e, data) {
-                    $scope.$parent.$applyAsync(function () {
-                        if ($scope.$emit(e.type, data).defaultPrevented) {
-                            e.preventDefault();
-                        }
-                    });
-                }).on('remove', function () {
-                    // Remove upload methods from the scope,
-                    // when the widget is removed:
-                    var method;
-                    for (method in uploadMethods) {
-                        if (uploadMethods.hasOwnProperty(method)) {
-                            delete $scope[method];
-                        }
-                    }
-                });
-                // Observe option changes:
-                $scope.$watch(
-                    $attrs.fileUpload,
-                    function (newOptions) {
-                        if (newOptions) {
-                            $element.fileupload('option', newOptions);
-                        }
-                    }
-                );
-            }
-        ])
-
-        // Provide File Upload progress feedback:
-        .controller('FileUploadProgressController', [
-            '$scope', '$attrs', '$parse',
-            function ($scope, $attrs, $parse) {
-                var fn = $parse($attrs.fileUploadProgress),
-                    update = function () {
-                        var progress = fn($scope);
-                        if (!progress || !progress.total) {
-                            return;
-                        }
-                        $scope.num = Math.floor(
-                            progress.loaded / progress.total * 100
-                        );
-                    };
-                update();
-                $scope.$watch(
-                    $attrs.fileUploadProgress + '.loaded',
-                    function (newValue, oldValue) {
-                        if (newValue !== oldValue) {
-                            update();
-                        }
-                    }
-                );
-            }
-        ])
-
-        // Display File Upload previews:
-        .controller('FileUploadPreviewController', [
-            '$scope', '$element', '$attrs',
-            function ($scope, $element, $attrs) {
-                $scope.$watch(
-                    $attrs.fileUploadPreview + '.preview',
-                    function (preview) {
-                        $element.empty();
-                        if (preview) {
-                            $element.append(preview);
-                        }
-                    }
-                );
-            }
-        ])
-
-        .directive('fileUpload', function () {
-            return {
-                controller: 'FileUploadController',
-                scope: true
-            };
-        })
-
-        .directive('fileUploadProgress', function () {
-            return {
-                controller: 'FileUploadProgressController',
-                scope: true
-            };
-        })
-
-        .directive('fileUploadPreview', function () {
-            return {
-                controller: 'FileUploadPreviewController'
-            };
-        })
-
-        // Enhance the HTML5 download attribute to
-        // allow drag&drop of files to the desktop:
-        .directive('download', function () {
-            return function (scope, elm) {
-                elm.on('dragstart', function (e) {
-                    try {
-                        e.originalEvent.dataTransfer.setData(
-                            'DownloadURL',
-                            [
-                                'application/octet-stream',
-                                elm.prop('download'),
-                                elm.prop('href')
-                            ].join(':')
-                        );
-                    } catch (ignore) {}
-                });
-            };
-        });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-audio.js b/library/blueimp_upload/js/jquery.fileupload-audio.js
deleted file mode 100644
index a25377619..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-audio.js
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * jQuery File Upload Audio Preview Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window, document */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'load-image',
-            './jquery.fileupload-process'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('blueimp-load-image/js/load-image'),
-            require('./jquery.fileupload-process')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery,
-            window.loadImage
-        );
-    }
-}(function ($, loadImage) {
-    'use strict';
-
-    // Prepend to the default processQueue:
-    $.blueimp.fileupload.prototype.options.processQueue.unshift(
-        {
-            action: 'loadAudio',
-            // Use the action as prefix for the "@" options:
-            prefix: true,
-            fileTypes: '@',
-            maxFileSize: '@',
-            disabled: '@disableAudioPreview'
-        },
-        {
-            action: 'setAudio',
-            name: '@audioPreviewName',
-            disabled: '@disableAudioPreview'
-        }
-    );
-
-    // The File Upload Audio Preview plugin extends the fileupload widget
-    // with audio preview functionality:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            // The regular expression for the types of audio files to load,
-            // matched against the file type:
-            loadAudioFileTypes: /^audio\/.*$/
-        },
-
-        _audioElement: document.createElement('audio'),
-
-        processActions: {
-
-            // Loads the audio file given via data.files and data.index
-            // as audio element if the browser supports playing it.
-            // Accepts the options fileTypes (regular expression)
-            // and maxFileSize (integer) to limit the files to load:
-            loadAudio: function (data, options) {
-                if (options.disabled) {
-                    return data;
-                }
-                var file = data.files[data.index],
-                    url,
-                    audio;
-                if (this._audioElement.canPlayType &&
-                        this._audioElement.canPlayType(file.type) &&
-                        ($.type(options.maxFileSize) !== 'number' ||
-                            file.size <= options.maxFileSize) &&
-                        (!options.fileTypes ||
-                            options.fileTypes.test(file.type))) {
-                    url = loadImage.createObjectURL(file);
-                    if (url) {
-                        audio = this._audioElement.cloneNode(false);
-                        audio.src = url;
-                        audio.controls = true;
-                        data.audio = audio;
-                        return data;
-                    }
-                }
-                return data;
-            },
-
-            // Sets the audio element as a property of the file object:
-            setAudio: function (data, options) {
-                if (data.audio && !options.disabled) {
-                    data.files[data.index][options.name || 'preview'] = data.audio;
-                }
-                return data;
-            }
-
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-image.js b/library/blueimp_upload/js/jquery.fileupload-image.js
deleted file mode 100644
index 65fc6d7b8..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-image.js
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * jQuery File Upload Image Preview & Resize Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window, Blob */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'load-image',
-            'load-image-meta',
-            'load-image-scale',
-            'load-image-exif',
-            'canvas-to-blob',
-            './jquery.fileupload-process'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('blueimp-load-image/js/load-image'),
-            require('blueimp-load-image/js/load-image-meta'),
-            require('blueimp-load-image/js/load-image-scale'),
-            require('blueimp-load-image/js/load-image-exif'),
-            require('blueimp-canvas-to-blob'),
-            require('./jquery.fileupload-process')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery,
-            window.loadImage
-        );
-    }
-}(function ($, loadImage) {
-    'use strict';
-
-    // Prepend to the default processQueue:
-    $.blueimp.fileupload.prototype.options.processQueue.unshift(
-        {
-            action: 'loadImageMetaData',
-            disableImageHead: '@',
-            disableExif: '@',
-            disableExifThumbnail: '@',
-            disableExifSub: '@',
-            disableExifGps: '@',
-            disabled: '@disableImageMetaDataLoad'
-        },
-        {
-            action: 'loadImage',
-            // Use the action as prefix for the "@" options:
-            prefix: true,
-            fileTypes: '@',
-            maxFileSize: '@',
-            noRevoke: '@',
-            disabled: '@disableImageLoad'
-        },
-        {
-            action: 'resizeImage',
-            // Use "image" as prefix for the "@" options:
-            prefix: 'image',
-            maxWidth: '@',
-            maxHeight: '@',
-            minWidth: '@',
-            minHeight: '@',
-            crop: '@',
-            orientation: '@',
-            forceResize: '@',
-            disabled: '@disableImageResize'
-        },
-        {
-            action: 'saveImage',
-            quality: '@imageQuality',
-            type: '@imageType',
-            disabled: '@disableImageResize'
-        },
-        {
-            action: 'saveImageMetaData',
-            disabled: '@disableImageMetaDataSave'
-        },
-        {
-            action: 'resizeImage',
-            // Use "preview" as prefix for the "@" options:
-            prefix: 'preview',
-            maxWidth: '@',
-            maxHeight: '@',
-            minWidth: '@',
-            minHeight: '@',
-            crop: '@',
-            orientation: '@',
-            thumbnail: '@',
-            canvas: '@',
-            disabled: '@disableImagePreview'
-        },
-        {
-            action: 'setImage',
-            name: '@imagePreviewName',
-            disabled: '@disableImagePreview'
-        },
-        {
-            action: 'deleteImageReferences',
-            disabled: '@disableImageReferencesDeletion'
-        }
-    );
-
-    // The File Upload Resize plugin extends the fileupload widget
-    // with image resize functionality:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            // The regular expression for the types of images to load:
-            // matched against the file type:
-            loadImageFileTypes: /^image\/(gif|jpeg|png|svg\+xml)$/,
-            // The maximum file size of images to load:
-            loadImageMaxFileSize: 10000000, // 10MB
-            // The maximum width of resized images:
-            imageMaxWidth: 1920,
-            // The maximum height of resized images:
-            imageMaxHeight: 1080,
-            // Defines the image orientation (1-8) or takes the orientation
-            // value from Exif data if set to true:
-            imageOrientation: false,
-            // Define if resized images should be cropped or only scaled:
-            imageCrop: false,
-            // Disable the resize image functionality by default:
-            disableImageResize: true,
-            // The maximum width of the preview images:
-            previewMaxWidth: 80,
-            // The maximum height of the preview images:
-            previewMaxHeight: 80,
-            // Defines the preview orientation (1-8) or takes the orientation
-            // value from Exif data if set to true:
-            previewOrientation: true,
-            // Create the preview using the Exif data thumbnail:
-            previewThumbnail: true,
-            // Define if preview images should be cropped or only scaled:
-            previewCrop: false,
-            // Define if preview images should be resized as canvas elements:
-            previewCanvas: true
-        },
-
-        processActions: {
-
-            // Loads the image given via data.files and data.index
-            // as img element, if the browser supports the File API.
-            // Accepts the options fileTypes (regular expression)
-            // and maxFileSize (integer) to limit the files to load:
-            loadImage: function (data, options) {
-                if (options.disabled) {
-                    return data;
-                }
-                var that = this,
-                    file = data.files[data.index],
-                    dfd = $.Deferred();
-                if (($.type(options.maxFileSize) === 'number' &&
-                            file.size > options.maxFileSize) ||
-                        (options.fileTypes &&
-                            !options.fileTypes.test(file.type)) ||
-                        !loadImage(
-                            file,
-                            function (img) {
-                                if (img.src) {
-                                    data.img = img;
-                                }
-                                dfd.resolveWith(that, [data]);
-                            },
-                            options
-                        )) {
-                    return data;
-                }
-                return dfd.promise();
-            },
-
-            // Resizes the image given as data.canvas or data.img
-            // and updates data.canvas or data.img with the resized image.
-            // Also stores the resized image as preview property.
-            // Accepts the options maxWidth, maxHeight, minWidth,
-            // minHeight, canvas and crop:
-            resizeImage: function (data, options) {
-                if (options.disabled || !(data.canvas || data.img)) {
-                    return data;
-                }
-                options = $.extend({canvas: true}, options);
-                var that = this,
-                    dfd = $.Deferred(),
-                    img = (options.canvas && data.canvas) || data.img,
-                    resolve = function (newImg) {
-                        if (newImg && (newImg.width !== img.width ||
-                                newImg.height !== img.height ||
-                                options.forceResize)) {
-                            data[newImg.getContext ? 'canvas' : 'img'] = newImg;
-                        }
-                        data.preview = newImg;
-                        dfd.resolveWith(that, [data]);
-                    },
-                    thumbnail;
-                if (data.exif) {
-                    if (options.orientation === true) {
-                        options.orientation = data.exif.get('Orientation');
-                    }
-                    if (options.thumbnail) {
-                        thumbnail = data.exif.get('Thumbnail');
-                        if (thumbnail) {
-                            loadImage(thumbnail, resolve, options);
-                            return dfd.promise();
-                        }
-                    }
-                    // Prevent orienting the same image twice:
-                    if (data.orientation) {
-                        delete options.orientation;
-                    } else {
-                        data.orientation = options.orientation;
-                    }
-                }
-                if (img) {
-                    resolve(loadImage.scale(img, options));
-                    return dfd.promise();
-                }
-                return data;
-            },
-
-            // Saves the processed image given as data.canvas
-            // inplace at data.index of data.files:
-            saveImage: function (data, options) {
-                if (!data.canvas || options.disabled) {
-                    return data;
-                }
-                var that = this,
-                    file = data.files[data.index],
-                    dfd = $.Deferred();
-                if (data.canvas.toBlob) {
-                    data.canvas.toBlob(
-                        function (blob) {
-                            if (!blob.name) {
-                                if (file.type === blob.type) {
-                                    blob.name = file.name;
-                                } else if (file.name) {
-                                    blob.name = file.name.replace(
-                                        /\.\w+$/,
-                                        '.' + blob.type.substr(6)
-                                    );
-                                }
-                            }
-                            // Don't restore invalid meta data:
-                            if (file.type !== blob.type) {
-                                delete data.imageHead;
-                            }
-                            // Store the created blob at the position
-                            // of the original file in the files list:
-                            data.files[data.index] = blob;
-                            dfd.resolveWith(that, [data]);
-                        },
-                        options.type || file.type,
-                        options.quality
-                    );
-                } else {
-                    return data;
-                }
-                return dfd.promise();
-            },
-
-            loadImageMetaData: function (data, options) {
-                if (options.disabled) {
-                    return data;
-                }
-                var that = this,
-                    dfd = $.Deferred();
-                loadImage.parseMetaData(data.files[data.index], function (result) {
-                    $.extend(data, result);
-                    dfd.resolveWith(that, [data]);
-                }, options);
-                return dfd.promise();
-            },
-
-            saveImageMetaData: function (data, options) {
-                if (!(data.imageHead && data.canvas &&
-                        data.canvas.toBlob && !options.disabled)) {
-                    return data;
-                }
-                var file = data.files[data.index],
-                    blob = new Blob([
-                        data.imageHead,
-                        // Resized images always have a head size of 20 bytes,
-                        // including the JPEG marker and a minimal JFIF header:
-                        this._blobSlice.call(file, 20)
-                    ], {type: file.type});
-                blob.name = file.name;
-                data.files[data.index] = blob;
-                return data;
-            },
-
-            // Sets the resized version of the image as a property of the
-            // file object, must be called after "saveImage":
-            setImage: function (data, options) {
-                if (data.preview && !options.disabled) {
-                    data.files[data.index][options.name || 'preview'] = data.preview;
-                }
-                return data;
-            },
-
-            deleteImageReferences: function (data, options) {
-                if (!options.disabled) {
-                    delete data.img;
-                    delete data.canvas;
-                    delete data.preview;
-                    delete data.imageHead;
-                }
-                return data;
-            }
-
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-jquery-ui.js b/library/blueimp_upload/js/jquery.fileupload-jquery-ui.js
deleted file mode 100644
index 7b136b379..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-jquery-ui.js
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * jQuery File Upload jQuery UI Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            './jquery.fileupload-ui'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('./jquery.fileupload-ui')
-        );
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            processdone: function (e, data) {
-                data.context.find('.start').button('enable');
-            },
-            progress: function (e, data) {
-                if (data.context) {
-                    data.context.find('.progress').progressbar(
-                        'option',
-                        'value',
-                        parseInt(data.loaded / data.total * 100, 10)
-                    );
-                }
-            },
-            progressall: function (e, data) {
-                var $this = $(this);
-                $this.find('.fileupload-progress')
-                    .find('.progress').progressbar(
-                        'option',
-                        'value',
-                        parseInt(data.loaded / data.total * 100, 10)
-                    ).end()
-                    .find('.progress-extended').each(function () {
-                        $(this).html(
-                            ($this.data('blueimp-fileupload') ||
-                                    $this.data('fileupload'))
-                                ._renderExtendedProgress(data)
-                        );
-                    });
-            }
-        },
-
-        _renderUpload: function (func, files) {
-            var node = this._super(func, files),
-                showIconText = $(window).width() > 480;
-            node.find('.progress').empty().progressbar();
-            node.find('.start').button({
-                icons: {primary: 'ui-icon-circle-arrow-e'},
-                text: showIconText
-            });
-            node.find('.cancel').button({
-                icons: {primary: 'ui-icon-cancel'},
-                text: showIconText
-            });
-            if (node.hasClass('fade')) {
-                node.hide();
-            }
-            return node;
-        },
-
-        _renderDownload: function (func, files) {
-            var node = this._super(func, files),
-                showIconText = $(window).width() > 480;
-            node.find('.delete').button({
-                icons: {primary: 'ui-icon-trash'},
-                text: showIconText
-            });
-            if (node.hasClass('fade')) {
-                node.hide();
-            }
-            return node;
-        },
-
-        _startHandler: function (e) {
-            $(e.currentTarget).button('disable');
-            this._super(e);
-        },
-
-        _transition: function (node) {
-            var deferred = $.Deferred();
-            if (node.hasClass('fade')) {
-                node.fadeToggle(
-                    this.options.transitionDuration,
-                    this.options.transitionEasing,
-                    function () {
-                        deferred.resolveWith(node);
-                    }
-                );
-            } else {
-                deferred.resolveWith(node);
-            }
-            return deferred;
-        },
-
-        _create: function () {
-            this._super();
-            this.element
-                .find('.fileupload-buttonbar')
-                .find('.fileinput-button').each(function () {
-                    var input = $(this).find('input:file').detach();
-                    $(this)
-                        .button({icons: {primary: 'ui-icon-plusthick'}})
-                        .append(input);
-                })
-                .end().find('.start')
-                .button({icons: {primary: 'ui-icon-circle-arrow-e'}})
-                .end().find('.cancel')
-                .button({icons: {primary: 'ui-icon-cancel'}})
-                .end().find('.delete')
-                .button({icons: {primary: 'ui-icon-trash'}})
-                .end().find('.progress').progressbar();
-        },
-
-        _destroy: function () {
-            this.element
-                .find('.fileupload-buttonbar')
-                .find('.fileinput-button').each(function () {
-                    var input = $(this).find('input:file').detach();
-                    $(this)
-                        .button('destroy')
-                        .append(input);
-                })
-                .end().find('.start')
-                .button('destroy')
-                .end().find('.cancel')
-                .button('destroy')
-                .end().find('.delete')
-                .button('destroy')
-                .end().find('.progress').progressbar('destroy');
-            this._super();
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-process.js b/library/blueimp_upload/js/jquery.fileupload-process.js
deleted file mode 100644
index 638f0d26b..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-process.js
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * jQuery File Upload Processing Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2012, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            './jquery.fileupload'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('./jquery.fileupload')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery
-        );
-    }
-}(function ($) {
-    'use strict';
-
-    var originalAdd = $.blueimp.fileupload.prototype.options.add;
-
-    // The File Upload Processing plugin extends the fileupload widget
-    // with file processing functionality:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            // The list of processing actions:
-            processQueue: [
-                /*
-                {
-                    action: 'log',
-                    type: 'debug'
-                }
-                */
-            ],
-            add: function (e, data) {
-                var $this = $(this);
-                data.process(function () {
-                    return $this.fileupload('process', data);
-                });
-                originalAdd.call(this, e, data);
-            }
-        },
-
-        processActions: {
-            /*
-            log: function (data, options) {
-                console[options.type](
-                    'Processing "' + data.files[data.index].name + '"'
-                );
-            }
-            */
-        },
-
-        _processFile: function (data, originalData) {
-            var that = this,
-                dfd = $.Deferred().resolveWith(that, [data]),
-                chain = dfd.promise();
-            this._trigger('process', null, data);
-            $.each(data.processQueue, function (i, settings) {
-                var func = function (data) {
-                    if (originalData.errorThrown) {
-                        return $.Deferred()
-                                .rejectWith(that, [originalData]).promise();
-                    }
-                    return that.processActions[settings.action].call(
-                        that,
-                        data,
-                        settings
-                    );
-                };
-                chain = chain.then(func, settings.always && func);
-            });
-            chain
-                .done(function () {
-                    that._trigger('processdone', null, data);
-                    that._trigger('processalways', null, data);
-                })
-                .fail(function () {
-                    that._trigger('processfail', null, data);
-                    that._trigger('processalways', null, data);
-                });
-            return chain;
-        },
-
-        // Replaces the settings of each processQueue item that
-        // are strings starting with an "@", using the remaining
-        // substring as key for the option map,
-        // e.g. "@autoUpload" is replaced with options.autoUpload:
-        _transformProcessQueue: function (options) {
-            var processQueue = [];
-            $.each(options.processQueue, function () {
-                var settings = {},
-                    action = this.action,
-                    prefix = this.prefix === true ? action : this.prefix;
-                $.each(this, function (key, value) {
-                    if ($.type(value) === 'string' &&
-                            value.charAt(0) === '@') {
-                        settings[key] = options[
-                            value.slice(1) || (prefix ? prefix +
-                                key.charAt(0).toUpperCase() + key.slice(1) : key)
-                        ];
-                    } else {
-                        settings[key] = value;
-                    }
-
-                });
-                processQueue.push(settings);
-            });
-            options.processQueue = processQueue;
-        },
-
-        // Returns the number of files currently in the processsing queue:
-        processing: function () {
-            return this._processing;
-        },
-
-        // Processes the files given as files property of the data parameter,
-        // returns a Promise object that allows to bind callbacks:
-        process: function (data) {
-            var that = this,
-                options = $.extend({}, this.options, data);
-            if (options.processQueue && options.processQueue.length) {
-                this._transformProcessQueue(options);
-                if (this._processing === 0) {
-                    this._trigger('processstart');
-                }
-                $.each(data.files, function (index) {
-                    var opts = index ? $.extend({}, options) : options,
-                        func = function () {
-                            if (data.errorThrown) {
-                                return $.Deferred()
-                                        .rejectWith(that, [data]).promise();
-                            }
-                            return that._processFile(opts, data);
-                        };
-                    opts.index = index;
-                    that._processing += 1;
-                    that._processingQueue = that._processingQueue.then(func, func)
-                        .always(function () {
-                            that._processing -= 1;
-                            if (that._processing === 0) {
-                                that._trigger('processstop');
-                            }
-                        });
-                });
-            }
-            return this._processingQueue;
-        },
-
-        _create: function () {
-            this._super();
-            this._processing = 0;
-            this._processingQueue = $.Deferred().resolveWith(this)
-                .promise();
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-ui.js b/library/blueimp_upload/js/jquery.fileupload-ui.js
deleted file mode 100644
index 5058084b4..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-ui.js
+++ /dev/null
@@ -1,714 +0,0 @@
-/*
- * jQuery File Upload User Interface Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2010, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'blueimp-tmpl',
-            './jquery.fileupload-image',
-            './jquery.fileupload-audio',
-            './jquery.fileupload-video',
-            './jquery.fileupload-validate'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('blueimp-tmpl'),
-            require('./jquery.fileupload-image'),
-            require('./jquery.fileupload-audio'),
-            require('./jquery.fileupload-video'),
-            require('./jquery.fileupload-validate')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery,
-            window.tmpl
-        );
-    }
-}(function ($, tmpl) {
-    'use strict';
-
-    $.blueimp.fileupload.prototype._specialOptions.push(
-        'filesContainer',
-        'uploadTemplateId',
-        'downloadTemplateId'
-    );
-
-    // The UI version extends the file upload widget
-    // and adds complete user interface interaction:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            // By default, files added to the widget are uploaded as soon
-            // as the user clicks on the start buttons. To enable automatic
-            // uploads, set the following option to true:
-            autoUpload: false,
-            // The ID of the upload template:
-            uploadTemplateId: 'template-upload',
-            // The ID of the download template:
-            downloadTemplateId: 'template-download',
-            // The container for the list of files. If undefined, it is set to
-            // an element with class "files" inside of the widget element:
-            filesContainer: undefined,
-            // By default, files are appended to the files container.
-            // Set the following option to true, to prepend files instead:
-            prependFiles: false,
-            // The expected data type of the upload response, sets the dataType
-            // option of the $.ajax upload requests:
-            dataType: 'json',
-
-            // Error and info messages:
-            messages: {
-                unknownError: 'Unknown error'
-            },
-
-            // Function returning the current number of files,
-            // used by the maxNumberOfFiles validation:
-            getNumberOfFiles: function () {
-                return this.filesContainer.children()
-                    .not('.processing').length;
-            },
-
-            // Callback to retrieve the list of files from the server response:
-            getFilesFromResponse: function (data) {
-                if (data.result && $.isArray(data.result.files)) {
-                    return data.result.files;
-                }
-                return [];
-            },
-
-            // The add callback is invoked as soon as files are added to the fileupload
-            // widget (via file input selection, drag & drop or add API call).
-            // See the basic file upload widget for more information:
-            add: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var $this = $(this),
-                    that = $this.data('blueimp-fileupload') ||
-                        $this.data('fileupload'),
-                    options = that.options;
-                data.context = that._renderUpload(data.files)
-                    .data('data', data)
-                    .addClass('processing');
-                options.filesContainer[
-                    options.prependFiles ? 'prepend' : 'append'
-                ](data.context);
-                that._forceReflow(data.context);
-                that._transition(data.context);
-                data.process(function () {
-                    return $this.fileupload('process', data);
-                }).always(function () {
-                    data.context.each(function (index) {
-                        $(this).find('.size').text(
-                            that._formatFileSize(data.files[index].size)
-                        );
-                    }).removeClass('processing');
-                    that._renderPreviews(data);
-                }).done(function () {
-                    data.context.find('.start').prop('disabled', false);
-                    if ((that._trigger('added', e, data) !== false) &&
-                            (options.autoUpload || data.autoUpload) &&
-                            data.autoUpload !== false) {
-                        data.submit();
-                    }
-                }).fail(function () {
-                    if (data.files.error) {
-                        data.context.each(function (index) {
-                            var error = data.files[index].error;
-                            if (error) {
-                                $(this).find('.error').text(error);
-                            }
-                        });
-                    }
-                });
-            },
-            // Callback for the start of each file upload request:
-            send: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload');
-                if (data.context && data.dataType &&
-                        data.dataType.substr(0, 6) === 'iframe') {
-                    // Iframe Transport does not support progress events.
-                    // In lack of an indeterminate progress bar, we set
-                    // the progress to 100%, showing the full animated bar:
-                    data.context
-                        .find('.progress').addClass(
-                            !$.support.transition && 'progress-animated'
-                        )
-                        .attr('aria-valuenow', 100)
-                        .children().first().css(
-                            'width',
-                            '100%'
-                        );
-                }
-                return that._trigger('sent', e, data);
-            },
-            // Callback for successful uploads:
-            done: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload'),
-                    getFilesFromResponse = data.getFilesFromResponse ||
-                        that.options.getFilesFromResponse,
-                    files = getFilesFromResponse(data),
-                    template,
-                    deferred;
-                if (data.context) {
-                    data.context.each(function (index) {
-                        var file = files[index] ||
-                                {error: 'Empty file upload result'};
-                        deferred = that._addFinishedDeferreds();
-                        that._transition($(this)).done(
-                            function () {
-                                var node = $(this);
-                                template = that._renderDownload([file])
-                                    .replaceAll(node);
-                                that._forceReflow(template);
-                                that._transition(template).done(
-                                    function () {
-                                        data.context = $(this);
-                                        that._trigger('completed', e, data);
-                                        that._trigger('finished', e, data);
-                                        deferred.resolve();
-                                    }
-                                );
-                            }
-                        );
-                    });
-                } else {
-                    template = that._renderDownload(files)[
-                        that.options.prependFiles ? 'prependTo' : 'appendTo'
-                    ](that.options.filesContainer);
-                    that._forceReflow(template);
-                    deferred = that._addFinishedDeferreds();
-                    that._transition(template).done(
-                        function () {
-                            data.context = $(this);
-                            that._trigger('completed', e, data);
-                            that._trigger('finished', e, data);
-                            deferred.resolve();
-                        }
-                    );
-                }
-            },
-            // Callback for failed (abort or error) uploads:
-            fail: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload'),
-                    template,
-                    deferred;
-                if (data.context) {
-                    data.context.each(function (index) {
-                        if (data.errorThrown !== 'abort') {
-                            var file = data.files[index];
-                            file.error = file.error || data.errorThrown ||
-                                data.i18n('unknownError');
-                            deferred = that._addFinishedDeferreds();
-                            that._transition($(this)).done(
-                                function () {
-                                    var node = $(this);
-                                    template = that._renderDownload([file])
-                                        .replaceAll(node);
-                                    that._forceReflow(template);
-                                    that._transition(template).done(
-                                        function () {
-                                            data.context = $(this);
-                                            that._trigger('failed', e, data);
-                                            that._trigger('finished', e, data);
-                                            deferred.resolve();
-                                        }
-                                    );
-                                }
-                            );
-                        } else {
-                            deferred = that._addFinishedDeferreds();
-                            that._transition($(this)).done(
-                                function () {
-                                    $(this).remove();
-                                    that._trigger('failed', e, data);
-                                    that._trigger('finished', e, data);
-                                    deferred.resolve();
-                                }
-                            );
-                        }
-                    });
-                } else if (data.errorThrown !== 'abort') {
-                    data.context = that._renderUpload(data.files)[
-                        that.options.prependFiles ? 'prependTo' : 'appendTo'
-                    ](that.options.filesContainer)
-                        .data('data', data);
-                    that._forceReflow(data.context);
-                    deferred = that._addFinishedDeferreds();
-                    that._transition(data.context).done(
-                        function () {
-                            data.context = $(this);
-                            that._trigger('failed', e, data);
-                            that._trigger('finished', e, data);
-                            deferred.resolve();
-                        }
-                    );
-                } else {
-                    that._trigger('failed', e, data);
-                    that._trigger('finished', e, data);
-                    that._addFinishedDeferreds().resolve();
-                }
-            },
-            // Callback for upload progress events:
-            progress: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var progress = Math.floor(data.loaded / data.total * 100);
-                if (data.context) {
-                    data.context.each(function () {
-                        $(this).find('.progress')
-                            .attr('aria-valuenow', progress)
-                            .children().first().css(
-                                'width',
-                                progress + '%'
-                            );
-                    });
-                }
-            },
-            // Callback for global upload progress events:
-            progressall: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var $this = $(this),
-                    progress = Math.floor(data.loaded / data.total * 100),
-                    globalProgressNode = $this.find('.fileupload-progress'),
-                    extendedProgressNode = globalProgressNode
-                        .find('.progress-extended');
-                if (extendedProgressNode.length) {
-                    extendedProgressNode.html(
-                        ($this.data('blueimp-fileupload') || $this.data('fileupload'))
-                            ._renderExtendedProgress(data)
-                    );
-                }
-                globalProgressNode
-                    .find('.progress')
-                    .attr('aria-valuenow', progress)
-                    .children().first().css(
-                        'width',
-                        progress + '%'
-                    );
-            },
-            // Callback for uploads start, equivalent to the global ajaxStart event:
-            start: function (e) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload');
-                that._resetFinishedDeferreds();
-                that._transition($(this).find('.fileupload-progress')).done(
-                    function () {
-                        that._trigger('started', e);
-                    }
-                );
-            },
-            // Callback for uploads stop, equivalent to the global ajaxStop event:
-            stop: function (e) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload'),
-                    deferred = that._addFinishedDeferreds();
-                $.when.apply($, that._getFinishedDeferreds())
-                    .done(function () {
-                        that._trigger('stopped', e);
-                    });
-                that._transition($(this).find('.fileupload-progress')).done(
-                    function () {
-                        $(this).find('.progress')
-                            .attr('aria-valuenow', '0')
-                            .children().first().css('width', '0%');
-                        $(this).find('.progress-extended').html('&nbsp;');
-                        deferred.resolve();
-                    }
-                );
-            },
-            processstart: function (e) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                $(this).addClass('fileupload-processing');
-            },
-            processstop: function (e) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                $(this).removeClass('fileupload-processing');
-            },
-            // Callback for file deletion:
-            destroy: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                var that = $(this).data('blueimp-fileupload') ||
-                        $(this).data('fileupload'),
-                    removeNode = function () {
-                        that._transition(data.context).done(
-                            function () {
-                                $(this).remove();
-                                that._trigger('destroyed', e, data);
-                            }
-                        );
-                    };
-                if (data.url) {
-                    data.dataType = data.dataType || that.options.dataType;
-                    $.ajax(data).done(removeNode).fail(function () {
-                        that._trigger('destroyfailed', e, data);
-                    });
-                } else {
-                    removeNode();
-                }
-            }
-        },
-
-        _resetFinishedDeferreds: function () {
-            this._finishedUploads = [];
-        },
-
-        _addFinishedDeferreds: function (deferred) {
-            if (!deferred) {
-                deferred = $.Deferred();
-            }
-            this._finishedUploads.push(deferred);
-            return deferred;
-        },
-
-        _getFinishedDeferreds: function () {
-            return this._finishedUploads;
-        },
-
-        // Link handler, that allows to download files
-        // by drag & drop of the links to the desktop:
-        _enableDragToDesktop: function () {
-            var link = $(this),
-                url = link.prop('href'),
-                name = link.prop('download'),
-                type = 'application/octet-stream';
-            link.bind('dragstart', function (e) {
-                try {
-                    e.originalEvent.dataTransfer.setData(
-                        'DownloadURL',
-                        [type, name, url].join(':')
-                    );
-                } catch (ignore) {}
-            });
-        },
-
-        _formatFileSize: function (bytes) {
-            if (typeof bytes !== 'number') {
-                return '';
-            }
-            if (bytes >= 1000000000) {
-                return (bytes / 1000000000).toFixed(2) + ' GB';
-            }
-            if (bytes >= 1000000) {
-                return (bytes / 1000000).toFixed(2) + ' MB';
-            }
-            return (bytes / 1000).toFixed(2) + ' KB';
-        },
-
-        _formatBitrate: function (bits) {
-            if (typeof bits !== 'number') {
-                return '';
-            }
-            if (bits >= 1000000000) {
-                return (bits / 1000000000).toFixed(2) + ' Gbit/s';
-            }
-            if (bits >= 1000000) {
-                return (bits / 1000000).toFixed(2) + ' Mbit/s';
-            }
-            if (bits >= 1000) {
-                return (bits / 1000).toFixed(2) + ' kbit/s';
-            }
-            return bits.toFixed(2) + ' bit/s';
-        },
-
-        _formatTime: function (seconds) {
-            var date = new Date(seconds * 1000),
-                days = Math.floor(seconds / 86400);
-            days = days ? days + 'd ' : '';
-            return days +
-                ('0' + date.getUTCHours()).slice(-2) + ':' +
-                ('0' + date.getUTCMinutes()).slice(-2) + ':' +
-                ('0' + date.getUTCSeconds()).slice(-2);
-        },
-
-        _formatPercentage: function (floatValue) {
-            return (floatValue * 100).toFixed(2) + ' %';
-        },
-
-        _renderExtendedProgress: function (data) {
-            return this._formatBitrate(data.bitrate) + ' | ' +
-                this._formatTime(
-                    (data.total - data.loaded) * 8 / data.bitrate
-                ) + ' | ' +
-                this._formatPercentage(
-                    data.loaded / data.total
-                ) + ' | ' +
-                this._formatFileSize(data.loaded) + ' / ' +
-                this._formatFileSize(data.total);
-        },
-
-        _renderTemplate: function (func, files) {
-            if (!func) {
-                return $();
-            }
-            var result = func({
-                files: files,
-                formatFileSize: this._formatFileSize,
-                options: this.options
-            });
-            if (result instanceof $) {
-                return result;
-            }
-            return $(this.options.templatesContainer).html(result).children();
-        },
-
-        _renderPreviews: function (data) {
-            data.context.find('.preview').each(function (index, elm) {
-                $(elm).append(data.files[index].preview);
-            });
-        },
-
-        _renderUpload: function (files) {
-            return this._renderTemplate(
-                this.options.uploadTemplate,
-                files
-            );
-        },
-
-        _renderDownload: function (files) {
-            return this._renderTemplate(
-                this.options.downloadTemplate,
-                files
-            ).find('a[download]').each(this._enableDragToDesktop).end();
-        },
-
-        _startHandler: function (e) {
-            e.preventDefault();
-            var button = $(e.currentTarget),
-                template = button.closest('.template-upload'),
-                data = template.data('data');
-            button.prop('disabled', true);
-            if (data && data.submit) {
-                data.submit();
-            }
-        },
-
-        _cancelHandler: function (e) {
-            e.preventDefault();
-            var template = $(e.currentTarget)
-                    .closest('.template-upload,.template-download'),
-                data = template.data('data') || {};
-            data.context = data.context || template;
-            if (data.abort) {
-                data.abort();
-            } else {
-                data.errorThrown = 'abort';
-                this._trigger('fail', e, data);
-            }
-        },
-
-        _deleteHandler: function (e) {
-            e.preventDefault();
-            var button = $(e.currentTarget);
-            this._trigger('destroy', e, $.extend({
-                context: button.closest('.template-download'),
-                type: 'DELETE'
-            }, button.data()));
-        },
-
-        _forceReflow: function (node) {
-            return $.support.transition && node.length &&
-                node[0].offsetWidth;
-        },
-
-        _transition: function (node) {
-            var dfd = $.Deferred();
-            if ($.support.transition && node.hasClass('fade') && node.is(':visible')) {
-                node.bind(
-                    $.support.transition.end,
-                    function (e) {
-                        // Make sure we don't respond to other transitions events
-                        // in the container element, e.g. from button elements:
-                        if (e.target === node[0]) {
-                            node.unbind($.support.transition.end);
-                            dfd.resolveWith(node);
-                        }
-                    }
-                ).toggleClass('in');
-            } else {
-                node.toggleClass('in');
-                dfd.resolveWith(node);
-            }
-            return dfd;
-        },
-
-        _initButtonBarEventHandlers: function () {
-            var fileUploadButtonBar = this.element.find('.fileupload-buttonbar'),
-                filesList = this.options.filesContainer;
-            this._on(fileUploadButtonBar.find('.start'), {
-                click: function (e) {
-                    e.preventDefault();
-                    filesList.find('.start').click();
-                }
-            });
-            this._on(fileUploadButtonBar.find('.cancel'), {
-                click: function (e) {
-                    e.preventDefault();
-                    filesList.find('.cancel').click();
-                }
-            });
-            this._on(fileUploadButtonBar.find('.delete'), {
-                click: function (e) {
-                    e.preventDefault();
-                    filesList.find('.toggle:checked')
-                        .closest('.template-download')
-                        .find('.delete').click();
-                    fileUploadButtonBar.find('.toggle')
-                        .prop('checked', false);
-                }
-            });
-            this._on(fileUploadButtonBar.find('.toggle'), {
-                change: function (e) {
-                    filesList.find('.toggle').prop(
-                        'checked',
-                        $(e.currentTarget).is(':checked')
-                    );
-                }
-            });
-        },
-
-        _destroyButtonBarEventHandlers: function () {
-            this._off(
-                this.element.find('.fileupload-buttonbar')
-                    .find('.start, .cancel, .delete'),
-                'click'
-            );
-            this._off(
-                this.element.find('.fileupload-buttonbar .toggle'),
-                'change.'
-            );
-        },
-
-        _initEventHandlers: function () {
-            this._super();
-            this._on(this.options.filesContainer, {
-                'click .start': this._startHandler,
-                'click .cancel': this._cancelHandler,
-                'click .delete': this._deleteHandler
-            });
-            this._initButtonBarEventHandlers();
-        },
-
-        _destroyEventHandlers: function () {
-            this._destroyButtonBarEventHandlers();
-            this._off(this.options.filesContainer, 'click');
-            this._super();
-        },
-
-        _enableFileInputButton: function () {
-            this.element.find('.fileinput-button input')
-                .prop('disabled', false)
-                .parent().removeClass('disabled');
-        },
-
-        _disableFileInputButton: function () {
-            this.element.find('.fileinput-button input')
-                .prop('disabled', true)
-                .parent().addClass('disabled');
-        },
-
-        _initTemplates: function () {
-            var options = this.options;
-            options.templatesContainer = this.document[0].createElement(
-                options.filesContainer.prop('nodeName')
-            );
-            if (tmpl) {
-                if (options.uploadTemplateId) {
-                    options.uploadTemplate = tmpl(options.uploadTemplateId);
-                }
-                if (options.downloadTemplateId) {
-                    options.downloadTemplate = tmpl(options.downloadTemplateId);
-                }
-            }
-        },
-
-        _initFilesContainer: function () {
-            var options = this.options;
-            if (options.filesContainer === undefined) {
-                options.filesContainer = this.element.find('.files');
-            } else if (!(options.filesContainer instanceof $)) {
-                options.filesContainer = $(options.filesContainer);
-            }
-        },
-
-        _initSpecialOptions: function () {
-            this._super();
-            this._initFilesContainer();
-            this._initTemplates();
-        },
-
-        _create: function () {
-            this._super();
-            this._resetFinishedDeferreds();
-            if (!$.support.fileInput) {
-                this._disableFileInputButton();
-            }
-        },
-
-        enable: function () {
-            var wasDisabled = false;
-            if (this.options.disabled) {
-                wasDisabled = true;
-            }
-            this._super();
-            if (wasDisabled) {
-                this.element.find('input, button').prop('disabled', false);
-                this._enableFileInputButton();
-            }
-        },
-
-        disable: function () {
-            if (!this.options.disabled) {
-                this.element.find('input, button').prop('disabled', true);
-                this._disableFileInputButton();
-            }
-            this._super();
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-validate.js b/library/blueimp_upload/js/jquery.fileupload-validate.js
deleted file mode 100644
index eebeb3733..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-validate.js
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * jQuery File Upload Validation Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* global define, require, window */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            './jquery.fileupload-process'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('./jquery.fileupload-process')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery
-        );
-    }
-}(function ($) {
-    'use strict';
-
-    // Append to the default processQueue:
-    $.blueimp.fileupload.prototype.options.processQueue.push(
-        {
-            action: 'validate',
-            // Always trigger this action,
-            // even if the previous action was rejected:
-            always: true,
-            // Options taken from the global options map:
-            acceptFileTypes: '@',
-            maxFileSize: '@',
-            minFileSize: '@',
-            maxNumberOfFiles: '@',
-            disabled: '@disableValidation'
-        }
-    );
-
-    // The File Upload Validation plugin extends the fileupload widget
-    // with file validation functionality:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            /*
-            // The regular expression for allowed file types, matches
-            // against either file type or file name:
-            acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i,
-            // The maximum allowed file size in bytes:
-            maxFileSize: 10000000, // 10 MB
-            // The minimum allowed file size in bytes:
-            minFileSize: undefined, // No minimal file size
-            // The limit of files to be uploaded:
-            maxNumberOfFiles: 10,
-            */
-
-            // Function returning the current number of files,
-            // has to be overriden for maxNumberOfFiles validation:
-            getNumberOfFiles: $.noop,
-
-            // Error and info messages:
-            messages: {
-                maxNumberOfFiles: 'Maximum number of files exceeded',
-                acceptFileTypes: 'File type not allowed',
-                maxFileSize: 'File is too large',
-                minFileSize: 'File is too small'
-            }
-        },
-
-        processActions: {
-
-            validate: function (data, options) {
-                if (options.disabled) {
-                    return data;
-                }
-                var dfd = $.Deferred(),
-                    settings = this.options,
-                    file = data.files[data.index],
-                    fileSize;
-                if (options.minFileSize || options.maxFileSize) {
-                    fileSize = file.size;
-                }
-                if ($.type(options.maxNumberOfFiles) === 'number' &&
-                        (settings.getNumberOfFiles() || 0) + data.files.length >
-                            options.maxNumberOfFiles) {
-                    file.error = settings.i18n('maxNumberOfFiles');
-                } else if (options.acceptFileTypes &&
-                        !(options.acceptFileTypes.test(file.type) ||
-                        options.acceptFileTypes.test(file.name))) {
-                    file.error = settings.i18n('acceptFileTypes');
-                } else if (fileSize > options.maxFileSize) {
-                    file.error = settings.i18n('maxFileSize');
-                } else if ($.type(fileSize) === 'number' &&
-                        fileSize < options.minFileSize) {
-                    file.error = settings.i18n('minFileSize');
-                } else {
-                    delete file.error;
-                }
-                if (file.error || data.files.error) {
-                    data.files.error = true;
-                    dfd.rejectWith(this, [data]);
-                } else {
-                    dfd.resolveWith(this, [data]);
-                }
-                return dfd.promise();
-            }
-
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload-video.js b/library/blueimp_upload/js/jquery.fileupload-video.js
deleted file mode 100644
index aedcec2ba..000000000
--- a/library/blueimp_upload/js/jquery.fileupload-video.js
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * jQuery File Upload Video Preview Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2013, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window, document */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'load-image',
-            './jquery.fileupload-process'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('blueimp-load-image/js/load-image'),
-            require('./jquery.fileupload-process')
-        );
-    } else {
-        // Browser globals:
-        factory(
-            window.jQuery,
-            window.loadImage
-        );
-    }
-}(function ($, loadImage) {
-    'use strict';
-
-    // Prepend to the default processQueue:
-    $.blueimp.fileupload.prototype.options.processQueue.unshift(
-        {
-            action: 'loadVideo',
-            // Use the action as prefix for the "@" options:
-            prefix: true,
-            fileTypes: '@',
-            maxFileSize: '@',
-            disabled: '@disableVideoPreview'
-        },
-        {
-            action: 'setVideo',
-            name: '@videoPreviewName',
-            disabled: '@disableVideoPreview'
-        }
-    );
-
-    // The File Upload Video Preview plugin extends the fileupload widget
-    // with video preview functionality:
-    $.widget('blueimp.fileupload', $.blueimp.fileupload, {
-
-        options: {
-            // The regular expression for the types of video files to load,
-            // matched against the file type:
-            loadVideoFileTypes: /^video\/.*$/
-        },
-
-        _videoElement: document.createElement('video'),
-
-        processActions: {
-
-            // Loads the video file given via data.files and data.index
-            // as video element if the browser supports playing it.
-            // Accepts the options fileTypes (regular expression)
-            // and maxFileSize (integer) to limit the files to load:
-            loadVideo: function (data, options) {
-                if (options.disabled) {
-                    return data;
-                }
-                var file = data.files[data.index],
-                    url,
-                    video;
-                if (this._videoElement.canPlayType &&
-                        this._videoElement.canPlayType(file.type) &&
-                        ($.type(options.maxFileSize) !== 'number' ||
-                            file.size <= options.maxFileSize) &&
-                        (!options.fileTypes ||
-                            options.fileTypes.test(file.type))) {
-                    url = loadImage.createObjectURL(file);
-                    if (url) {
-                        video = this._videoElement.cloneNode(false);
-                        video.src = url;
-                        video.controls = true;
-                        data.video = video;
-                        return data;
-                    }
-                }
-                return data;
-            },
-
-            // Sets the video element as a property of the file object:
-            setVideo: function (data, options) {
-                if (data.video && !options.disabled) {
-                    data.files[data.index][options.name || 'preview'] = data.video;
-                }
-                return data;
-            }
-
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.fileupload.js b/library/blueimp_upload/js/jquery.fileupload.js
deleted file mode 100644
index 700f9013c..000000000
--- a/library/blueimp_upload/js/jquery.fileupload.js
+++ /dev/null
@@ -1,1502 +0,0 @@
-/*
- * jQuery File Upload Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2010, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* jshint nomen:false */
-/* global define, require, window, document, location, Blob, FormData */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'jquery-ui/ui/widget'
-        ], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(
-            require('jquery'),
-            require('./vendor/jquery.ui.widget')
-        );
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    // Detect file input support, based on
-    // http://viljamis.com/blog/2012/file-upload-support-on-mobile/
-    $.support.fileInput = !(new RegExp(
-        // Handle devices which give false positives for the feature detection:
-        '(Android (1\\.[0156]|2\\.[01]))' +
-            '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' +
-            '|(w(eb)?OSBrowser)|(webOS)' +
-            '|(Kindle/(1\\.0|2\\.[05]|3\\.0))'
-    ).test(window.navigator.userAgent) ||
-        // Feature detection for all other devices:
-        $('<input type="file"/>').prop('disabled'));
-
-    // The FileReader API is not actually used, but works as feature detection,
-    // as some Safari versions (5?) support XHR file uploads via the FormData API,
-    // but not non-multipart XHR file uploads.
-    // window.XMLHttpRequestUpload is not available on IE10, so we check for
-    // window.ProgressEvent instead to detect XHR2 file upload capability:
-    $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader);
-    $.support.xhrFormDataFileUpload = !!window.FormData;
-
-    // Detect support for Blob slicing (required for chunked uploads):
-    $.support.blobSlice = window.Blob && (Blob.prototype.slice ||
-        Blob.prototype.webkitSlice || Blob.prototype.mozSlice);
-
-    // Helper function to create drag handlers for dragover/dragenter/dragleave:
-    function getDragHandler(type) {
-        var isDragOver = type === 'dragover';
-        return function (e) {
-            e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer;
-            var dataTransfer = e.dataTransfer;
-            if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 &&
-                    this._trigger(
-                        type,
-                        $.Event(type, {delegatedEvent: e})
-                    ) !== false) {
-                e.preventDefault();
-                if (isDragOver) {
-                    dataTransfer.dropEffect = 'copy';
-                }
-            }
-        };
-    }
-
-    // The fileupload widget listens for change events on file input fields defined
-    // via fileInput setting and paste or drop events of the given dropZone.
-    // In addition to the default jQuery Widget methods, the fileupload widget
-    // exposes the "add" and "send" methods, to add or directly send files using
-    // the fileupload API.
-    // By default, files added via file input selection, paste, drag & drop or
-    // "add" method are uploaded immediately, but it is possible to override
-    // the "add" callback option to queue file uploads.
-    $.widget('blueimp.fileupload', {
-
-        options: {
-            // The drop target element(s), by the default the complete document.
-            // Set to null to disable drag & drop support:
-            dropZone: $(document),
-            // The paste target element(s), by the default undefined.
-            // Set to a DOM node or jQuery object to enable file pasting:
-            pasteZone: undefined,
-            // The file input field(s), that are listened to for change events.
-            // If undefined, it is set to the file input fields inside
-            // of the widget element on plugin initialization.
-            // Set to null to disable the change listener.
-            fileInput: undefined,
-            // By default, the file input field is replaced with a clone after
-            // each input field change event. This is required for iframe transport
-            // queues and allows change events to be fired for the same file
-            // selection, but can be disabled by setting the following option to false:
-            replaceFileInput: true,
-            // The parameter name for the file form data (the request argument name).
-            // If undefined or empty, the name property of the file input field is
-            // used, or "files[]" if the file input name property is also empty,
-            // can be a string or an array of strings:
-            paramName: undefined,
-            // By default, each file of a selection is uploaded using an individual
-            // request for XHR type uploads. Set to false to upload file
-            // selections in one request each:
-            singleFileUploads: true,
-            // To limit the number of files uploaded with one XHR request,
-            // set the following option to an integer greater than 0:
-            limitMultiFileUploads: undefined,
-            // The following option limits the number of files uploaded with one
-            // XHR request to keep the request size under or equal to the defined
-            // limit in bytes:
-            limitMultiFileUploadSize: undefined,
-            // Multipart file uploads add a number of bytes to each uploaded file,
-            // therefore the following option adds an overhead for each file used
-            // in the limitMultiFileUploadSize configuration:
-            limitMultiFileUploadSizeOverhead: 512,
-            // Set the following option to true to issue all file upload requests
-            // in a sequential order:
-            sequentialUploads: false,
-            // To limit the number of concurrent uploads,
-            // set the following option to an integer greater than 0:
-            limitConcurrentUploads: undefined,
-            // Set the following option to true to force iframe transport uploads:
-            forceIframeTransport: false,
-            // Set the following option to the location of a redirect url on the
-            // origin server, for cross-domain iframe transport uploads:
-            redirect: undefined,
-            // The parameter name for the redirect url, sent as part of the form
-            // data and set to 'redirect' if this option is empty:
-            redirectParamName: undefined,
-            // Set the following option to the location of a postMessage window,
-            // to enable postMessage transport uploads:
-            postMessage: undefined,
-            // By default, XHR file uploads are sent as multipart/form-data.
-            // The iframe transport is always using multipart/form-data.
-            // Set to false to enable non-multipart XHR uploads:
-            multipart: true,
-            // To upload large files in smaller chunks, set the following option
-            // to a preferred maximum chunk size. If set to 0, null or undefined,
-            // or the browser does not support the required Blob API, files will
-            // be uploaded as a whole.
-            maxChunkSize: undefined,
-            // When a non-multipart upload or a chunked multipart upload has been
-            // aborted, this option can be used to resume the upload by setting
-            // it to the size of the already uploaded bytes. This option is most
-            // useful when modifying the options object inside of the "add" or
-            // "send" callbacks, as the options are cloned for each file upload.
-            uploadedBytes: undefined,
-            // By default, failed (abort or error) file uploads are removed from the
-            // global progress calculation. Set the following option to false to
-            // prevent recalculating the global progress data:
-            recalculateProgress: true,
-            // Interval in milliseconds to calculate and trigger progress events:
-            progressInterval: 100,
-            // Interval in milliseconds to calculate progress bitrate:
-            bitrateInterval: 500,
-            // By default, uploads are started automatically when adding files:
-            autoUpload: true,
-
-            // Error and info messages:
-            messages: {
-                uploadedBytes: 'Uploaded bytes exceed file size'
-            },
-
-            // Translation function, gets the message key to be translated
-            // and an object with context specific data as arguments:
-            i18n: function (message, context) {
-                message = this.messages[message] || message.toString();
-                if (context) {
-                    $.each(context, function (key, value) {
-                        message = message.replace('{' + key + '}', value);
-                    });
-                }
-                return message;
-            },
-
-            // Additional form data to be sent along with the file uploads can be set
-            // using this option, which accepts an array of objects with name and
-            // value properties, a function returning such an array, a FormData
-            // object (for XHR file uploads), or a simple object.
-            // The form of the first fileInput is given as parameter to the function:
-            formData: function (form) {
-                return form.serializeArray();
-            },
-
-            // The add callback is invoked as soon as files are added to the fileupload
-            // widget (via file input selection, drag & drop, paste or add API call).
-            // If the singleFileUploads option is enabled, this callback will be
-            // called once for each file in the selection for XHR file uploads, else
-            // once for each file selection.
-            //
-            // The upload starts when the submit method is invoked on the data parameter.
-            // The data object contains a files property holding the added files
-            // and allows you to override plugin options as well as define ajax settings.
-            //
-            // Listeners for this callback can also be bound the following way:
-            // .bind('fileuploadadd', func);
-            //
-            // data.submit() returns a Promise object and allows to attach additional
-            // handlers using jQuery's Deferred callbacks:
-            // data.submit().done(func).fail(func).always(func);
-            add: function (e, data) {
-                if (e.isDefaultPrevented()) {
-                    return false;
-                }
-                if (data.autoUpload || (data.autoUpload !== false &&
-                        $(this).fileupload('option', 'autoUpload'))) {
-                    data.process().done(function () {
-                        data.submit();
-                    });
-                }
-            },
-
-            // Other callbacks:
-
-            // Callback for the submit event of each file upload:
-            // submit: function (e, data) {}, // .bind('fileuploadsubmit', func);
-
-            // Callback for the start of each file upload request:
-            // send: function (e, data) {}, // .bind('fileuploadsend', func);
-
-            // Callback for successful uploads:
-            // done: function (e, data) {}, // .bind('fileuploaddone', func);
-
-            // Callback for failed (abort or error) uploads:
-            // fail: function (e, data) {}, // .bind('fileuploadfail', func);
-
-            // Callback for completed (success, abort or error) requests:
-            // always: function (e, data) {}, // .bind('fileuploadalways', func);
-
-            // Callback for upload progress events:
-            // progress: function (e, data) {}, // .bind('fileuploadprogress', func);
-
-            // Callback for global upload progress events:
-            // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func);
-
-            // Callback for uploads start, equivalent to the global ajaxStart event:
-            // start: function (e) {}, // .bind('fileuploadstart', func);
-
-            // Callback for uploads stop, equivalent to the global ajaxStop event:
-            // stop: function (e) {}, // .bind('fileuploadstop', func);
-
-            // Callback for change events of the fileInput(s):
-            // change: function (e, data) {}, // .bind('fileuploadchange', func);
-
-            // Callback for paste events to the pasteZone(s):
-            // paste: function (e, data) {}, // .bind('fileuploadpaste', func);
-
-            // Callback for drop events of the dropZone(s):
-            // drop: function (e, data) {}, // .bind('fileuploaddrop', func);
-
-            // Callback for dragover events of the dropZone(s):
-            // dragover: function (e) {}, // .bind('fileuploaddragover', func);
-
-            // Callback before the start of each chunk upload request (before form data initialization):
-            // chunkbeforesend: function (e, data) {}, // .bind('fileuploadchunkbeforesend', func);
-
-            // Callback for the start of each chunk upload request:
-            // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func);
-
-            // Callback for successful chunk uploads:
-            // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func);
-
-            // Callback for failed (abort or error) chunk uploads:
-            // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func);
-
-            // Callback for completed (success, abort or error) chunk upload requests:
-            // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func);
-
-            // The plugin options are used as settings object for the ajax calls.
-            // The following are jQuery ajax settings required for the file uploads:
-            processData: false,
-            contentType: false,
-            cache: false,
-            timeout: 0
-        },
-
-        // A list of options that require reinitializing event listeners and/or
-        // special initialization code:
-        _specialOptions: [
-            'fileInput',
-            'dropZone',
-            'pasteZone',
-            'multipart',
-            'forceIframeTransport'
-        ],
-
-        _blobSlice: $.support.blobSlice && function () {
-            var slice = this.slice || this.webkitSlice || this.mozSlice;
-            return slice.apply(this, arguments);
-        },
-
-        _BitrateTimer: function () {
-            this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime());
-            this.loaded = 0;
-            this.bitrate = 0;
-            this.getBitrate = function (now, loaded, interval) {
-                var timeDiff = now - this.timestamp;
-                if (!this.bitrate || !interval || timeDiff > interval) {
-                    this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8;
-                    this.loaded = loaded;
-                    this.timestamp = now;
-                }
-                return this.bitrate;
-            };
-        },
-
-        _isXHRUpload: function (options) {
-            return !options.forceIframeTransport &&
-                ((!options.multipart && $.support.xhrFileUpload) ||
-                $.support.xhrFormDataFileUpload);
-        },
-
-        _getFormData: function (options) {
-            var formData;
-            if ($.type(options.formData) === 'function') {
-                return options.formData(options.form);
-            }
-            if ($.isArray(options.formData)) {
-                return options.formData;
-            }
-            if ($.type(options.formData) === 'object') {
-                formData = [];
-                $.each(options.formData, function (name, value) {
-                    formData.push({name: name, value: value});
-                });
-                return formData;
-            }
-            return [];
-        },
-
-        _getTotal: function (files) {
-            var total = 0;
-            $.each(files, function (index, file) {
-                total += file.size || 1;
-            });
-            return total;
-        },
-
-        _initProgressObject: function (obj) {
-            var progress = {
-                loaded: 0,
-                total: 0,
-                bitrate: 0
-            };
-            if (obj._progress) {
-                $.extend(obj._progress, progress);
-            } else {
-                obj._progress = progress;
-            }
-        },
-
-        _initResponseObject: function (obj) {
-            var prop;
-            if (obj._response) {
-                for (prop in obj._response) {
-                    if (obj._response.hasOwnProperty(prop)) {
-                        delete obj._response[prop];
-                    }
-                }
-            } else {
-                obj._response = {};
-            }
-        },
-
-        _onProgress: function (e, data) {
-            if (e.lengthComputable) {
-                var now = ((Date.now) ? Date.now() : (new Date()).getTime()),
-                    loaded;
-                if (data._time && data.progressInterval &&
-                        (now - data._time < data.progressInterval) &&
-                        e.loaded !== e.total) {
-                    return;
-                }
-                data._time = now;
-                loaded = Math.floor(
-                    e.loaded / e.total * (data.chunkSize || data._progress.total)
-                ) + (data.uploadedBytes || 0);
-                // Add the difference from the previously loaded state
-                // to the global loaded counter:
-                this._progress.loaded += (loaded - data._progress.loaded);
-                this._progress.bitrate = this._bitrateTimer.getBitrate(
-                    now,
-                    this._progress.loaded,
-                    data.bitrateInterval
-                );
-                data._progress.loaded = data.loaded = loaded;
-                data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate(
-                    now,
-                    loaded,
-                    data.bitrateInterval
-                );
-                // Trigger a custom progress event with a total data property set
-                // to the file size(s) of the current upload and a loaded data
-                // property calculated accordingly:
-                this._trigger(
-                    'progress',
-                    $.Event('progress', {delegatedEvent: e}),
-                    data
-                );
-                // Trigger a global progress event for all current file uploads,
-                // including ajax calls queued for sequential file uploads:
-                this._trigger(
-                    'progressall',
-                    $.Event('progressall', {delegatedEvent: e}),
-                    this._progress
-                );
-            }
-        },
-
-        _initProgressListener: function (options) {
-            var that = this,
-                xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
-            // Accesss to the native XHR object is required to add event listeners
-            // for the upload progress event:
-            if (xhr.upload) {
-                $(xhr.upload).bind('progress', function (e) {
-                    var oe = e.originalEvent;
-                    // Make sure the progress event properties get copied over:
-                    e.lengthComputable = oe.lengthComputable;
-                    e.loaded = oe.loaded;
-                    e.total = oe.total;
-                    that._onProgress(e, options);
-                });
-                options.xhr = function () {
-                    return xhr;
-                };
-            }
-        },
-
-        _deinitProgressListener: function (options) {
-            var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
-            if (xhr.upload) {
-                $(xhr.upload).unbind('progress');
-            }
-        },
-
-        _isInstanceOf: function (type, obj) {
-            // Cross-frame instanceof check
-            return Object.prototype.toString.call(obj) === '[object ' + type + ']';
-        },
-
-        _initXHRData: function (options) {
-            var that = this,
-                formData,
-                file = options.files[0],
-                // Ignore non-multipart setting if not supported:
-                multipart = options.multipart || !$.support.xhrFileUpload,
-                paramName = $.type(options.paramName) === 'array' ?
-                    options.paramName[0] : options.paramName;
-            options.headers = $.extend({}, options.headers);
-            if (options.contentRange) {
-                options.headers['Content-Range'] = options.contentRange;
-            }
-            if (!multipart || options.blob || !this._isInstanceOf('File', file)) {
-                options.headers['Content-Disposition'] = 'attachment; filename="' +
-                    encodeURI(file.uploadName || file.name) + '"';
-            }
-            if (!multipart) {
-                options.contentType = file.type || 'application/octet-stream';
-                options.data = options.blob || file;
-            } else if ($.support.xhrFormDataFileUpload) {
-                if (options.postMessage) {
-                    // window.postMessage does not allow sending FormData
-                    // objects, so we just add the File/Blob objects to
-                    // the formData array and let the postMessage window
-                    // create the FormData object out of this array:
-                    formData = this._getFormData(options);
-                    if (options.blob) {
-                        formData.push({
-                            name: paramName,
-                            value: options.blob
-                        });
-                    } else {
-                        $.each(options.files, function (index, file) {
-                            formData.push({
-                                name: ($.type(options.paramName) === 'array' &&
-                                    options.paramName[index]) || paramName,
-                                value: file
-                            });
-                        });
-                    }
-                } else {
-                    if (that._isInstanceOf('FormData', options.formData)) {
-                        formData = options.formData;
-                    } else {
-                        formData = new FormData();
-                        $.each(this._getFormData(options), function (index, field) {
-                            formData.append(field.name, field.value);
-                        });
-                    }
-                    if (options.blob) {
-                        formData.append(
-                            paramName,
-                            options.blob,
-                            file.uploadName || file.name
-                        );
-                    } else {
-                        $.each(options.files, function (index, file) {
-                            // This check allows the tests to run with
-                            // dummy objects:
-                            if (that._isInstanceOf('File', file) ||
-                                    that._isInstanceOf('Blob', file)) {
-                                formData.append(
-                                    ($.type(options.paramName) === 'array' &&
-                                        options.paramName[index]) || paramName,
-                                    file,
-                                    file.uploadName || file.name
-                                );
-                            }
-                        });
-                    }
-                }
-                options.data = formData;
-            }
-            // Blob reference is not needed anymore, free memory:
-            options.blob = null;
-        },
-
-        _initIframeSettings: function (options) {
-            var targetHost = $('<a></a>').prop('href', options.url).prop('host');
-            // Setting the dataType to iframe enables the iframe transport:
-            options.dataType = 'iframe ' + (options.dataType || '');
-            // The iframe transport accepts a serialized array as form data:
-            options.formData = this._getFormData(options);
-            // Add redirect url to form data on cross-domain uploads:
-            if (options.redirect && targetHost && targetHost !== location.host) {
-                options.formData.push({
-                    name: options.redirectParamName || 'redirect',
-                    value: options.redirect
-                });
-            }
-        },
-
-        _initDataSettings: function (options) {
-            if (this._isXHRUpload(options)) {
-                if (!this._chunkedUpload(options, true)) {
-                    if (!options.data) {
-                        this._initXHRData(options);
-                    }
-                    this._initProgressListener(options);
-                }
-                if (options.postMessage) {
-                    // Setting the dataType to postmessage enables the
-                    // postMessage transport:
-                    options.dataType = 'postmessage ' + (options.dataType || '');
-                }
-            } else {
-                this._initIframeSettings(options);
-            }
-        },
-
-        _getParamName: function (options) {
-            var fileInput = $(options.fileInput),
-                paramName = options.paramName;
-            if (!paramName) {
-                paramName = [];
-                fileInput.each(function () {
-                    var input = $(this),
-                        name = input.prop('name') || 'files[]',
-                        i = (input.prop('files') || [1]).length;
-                    while (i) {
-                        paramName.push(name);
-                        i -= 1;
-                    }
-                });
-                if (!paramName.length) {
-                    paramName = [fileInput.prop('name') || 'files[]'];
-                }
-            } else if (!$.isArray(paramName)) {
-                paramName = [paramName];
-            }
-            return paramName;
-        },
-
-        _initFormSettings: function (options) {
-            // Retrieve missing options from the input field and the
-            // associated form, if available:
-            if (!options.form || !options.form.length) {
-                options.form = $(options.fileInput.prop('form'));
-                // If the given file input doesn't have an associated form,
-                // use the default widget file input's form:
-                if (!options.form.length) {
-                    options.form = $(this.options.fileInput.prop('form'));
-                }
-            }
-            options.paramName = this._getParamName(options);
-            if (!options.url) {
-                options.url = options.form.prop('action') || location.href;
-            }
-            // The HTTP request method must be "POST" or "PUT":
-            options.type = (options.type ||
-                ($.type(options.form.prop('method')) === 'string' &&
-                    options.form.prop('method')) || ''
-                ).toUpperCase();
-            if (options.type !== 'POST' && options.type !== 'PUT' &&
-                    options.type !== 'PATCH') {
-                options.type = 'POST';
-            }
-            if (!options.formAcceptCharset) {
-                options.formAcceptCharset = options.form.attr('accept-charset');
-            }
-        },
-
-        _getAJAXSettings: function (data) {
-            var options = $.extend({}, this.options, data);
-            this._initFormSettings(options);
-            this._initDataSettings(options);
-            return options;
-        },
-
-        // jQuery 1.6 doesn't provide .state(),
-        // while jQuery 1.8+ removed .isRejected() and .isResolved():
-        _getDeferredState: function (deferred) {
-            if (deferred.state) {
-                return deferred.state();
-            }
-            if (deferred.isResolved()) {
-                return 'resolved';
-            }
-            if (deferred.isRejected()) {
-                return 'rejected';
-            }
-            return 'pending';
-        },
-
-        // Maps jqXHR callbacks to the equivalent
-        // methods of the given Promise object:
-        _enhancePromise: function (promise) {
-            promise.success = promise.done;
-            promise.error = promise.fail;
-            promise.complete = promise.always;
-            return promise;
-        },
-
-        // Creates and returns a Promise object enhanced with
-        // the jqXHR methods abort, success, error and complete:
-        _getXHRPromise: function (resolveOrReject, context, args) {
-            var dfd = $.Deferred(),
-                promise = dfd.promise();
-            context = context || this.options.context || promise;
-            if (resolveOrReject === true) {
-                dfd.resolveWith(context, args);
-            } else if (resolveOrReject === false) {
-                dfd.rejectWith(context, args);
-            }
-            promise.abort = dfd.promise;
-            return this._enhancePromise(promise);
-        },
-
-        // Adds convenience methods to the data callback argument:
-        _addConvenienceMethods: function (e, data) {
-            var that = this,
-                getPromise = function (args) {
-                    return $.Deferred().resolveWith(that, args).promise();
-                };
-            data.process = function (resolveFunc, rejectFunc) {
-                if (resolveFunc || rejectFunc) {
-                    data._processQueue = this._processQueue =
-                        (this._processQueue || getPromise([this])).then(
-                            function () {
-                                if (data.errorThrown) {
-                                    return $.Deferred()
-                                        .rejectWith(that, [data]).promise();
-                                }
-                                return getPromise(arguments);
-                            }
-                        ).then(resolveFunc, rejectFunc);
-                }
-                return this._processQueue || getPromise([this]);
-            };
-            data.submit = function () {
-                if (this.state() !== 'pending') {
-                    data.jqXHR = this.jqXHR =
-                        (that._trigger(
-                            'submit',
-                            $.Event('submit', {delegatedEvent: e}),
-                            this
-                        ) !== false) && that._onSend(e, this);
-                }
-                return this.jqXHR || that._getXHRPromise();
-            };
-            data.abort = function () {
-                if (this.jqXHR) {
-                    return this.jqXHR.abort();
-                }
-                this.errorThrown = 'abort';
-                that._trigger('fail', null, this);
-                return that._getXHRPromise(false);
-            };
-            data.state = function () {
-                if (this.jqXHR) {
-                    return that._getDeferredState(this.jqXHR);
-                }
-                if (this._processQueue) {
-                    return that._getDeferredState(this._processQueue);
-                }
-            };
-            data.processing = function () {
-                return !this.jqXHR && this._processQueue && that
-                    ._getDeferredState(this._processQueue) === 'pending';
-            };
-            data.progress = function () {
-                return this._progress;
-            };
-            data.response = function () {
-                return this._response;
-            };
-        },
-
-        // Parses the Range header from the server response
-        // and returns the uploaded bytes:
-        _getUploadedBytes: function (jqXHR) {
-            var range = jqXHR.getResponseHeader('Range'),
-                parts = range && range.split('-'),
-                upperBytesPos = parts && parts.length > 1 &&
-                    parseInt(parts[1], 10);
-            return upperBytesPos && upperBytesPos + 1;
-        },
-
-        // Uploads a file in multiple, sequential requests
-        // by splitting the file up in multiple blob chunks.
-        // If the second parameter is true, only tests if the file
-        // should be uploaded in chunks, but does not invoke any
-        // upload requests:
-        _chunkedUpload: function (options, testOnly) {
-            options.uploadedBytes = options.uploadedBytes || 0;
-            var that = this,
-                file = options.files[0],
-                fs = file.size,
-                ub = options.uploadedBytes,
-                mcs = options.maxChunkSize || fs,
-                slice = this._blobSlice,
-                dfd = $.Deferred(),
-                promise = dfd.promise(),
-                jqXHR,
-                upload;
-            if (!(this._isXHRUpload(options) && slice && (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs)) ||
-                    options.data) {
-                return false;
-            }
-            if (testOnly) {
-                return true;
-            }
-            if (ub >= fs) {
-                file.error = options.i18n('uploadedBytes');
-                return this._getXHRPromise(
-                    false,
-                    options.context,
-                    [null, 'error', file.error]
-                );
-            }
-            // The chunk upload method:
-            upload = function () {
-                // Clone the options object for each chunk upload:
-                var o = $.extend({}, options),
-                    currentLoaded = o._progress.loaded;
-                o.blob = slice.call(
-                    file,
-                    ub,
-                    ub + ($.type(mcs) === 'function' ? mcs(o) : mcs),
-                    file.type
-                );
-                // Store the current chunk size, as the blob itself
-                // will be dereferenced after data processing:
-                o.chunkSize = o.blob.size;
-                // Expose the chunk bytes position range:
-                o.contentRange = 'bytes ' + ub + '-' +
-                    (ub + o.chunkSize - 1) + '/' + fs;
-                // Trigger chunkbeforesend to allow form data to be updated for this chunk
-                that._trigger('chunkbeforesend', null, o);
-                // Process the upload data (the blob and potential form data):
-                that._initXHRData(o);
-                // Add progress listeners for this chunk upload:
-                that._initProgressListener(o);
-                jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) ||
-                        that._getXHRPromise(false, o.context))
-                    .done(function (result, textStatus, jqXHR) {
-                        ub = that._getUploadedBytes(jqXHR) ||
-                            (ub + o.chunkSize);
-                        // Create a progress event if no final progress event
-                        // with loaded equaling total has been triggered
-                        // for this chunk:
-                        if (currentLoaded + o.chunkSize - o._progress.loaded) {
-                            that._onProgress($.Event('progress', {
-                                lengthComputable: true,
-                                loaded: ub - o.uploadedBytes,
-                                total: ub - o.uploadedBytes
-                            }), o);
-                        }
-                        options.uploadedBytes = o.uploadedBytes = ub;
-                        o.result = result;
-                        o.textStatus = textStatus;
-                        o.jqXHR = jqXHR;
-                        that._trigger('chunkdone', null, o);
-                        that._trigger('chunkalways', null, o);
-                        if (ub < fs) {
-                            // File upload not yet complete,
-                            // continue with the next chunk:
-                            upload();
-                        } else {
-                            dfd.resolveWith(
-                                o.context,
-                                [result, textStatus, jqXHR]
-                            );
-                        }
-                    })
-                    .fail(function (jqXHR, textStatus, errorThrown) {
-                        o.jqXHR = jqXHR;
-                        o.textStatus = textStatus;
-                        o.errorThrown = errorThrown;
-                        that._trigger('chunkfail', null, o);
-                        that._trigger('chunkalways', null, o);
-                        dfd.rejectWith(
-                            o.context,
-                            [jqXHR, textStatus, errorThrown]
-                        );
-                    })
-                    .always(function () {
-                        that._deinitProgressListener(o);
-                    });
-            };
-            this._enhancePromise(promise);
-            promise.abort = function () {
-                return jqXHR.abort();
-            };
-            upload();
-            return promise;
-        },
-
-        _beforeSend: function (e, data) {
-            if (this._active === 0) {
-                // the start callback is triggered when an upload starts
-                // and no other uploads are currently running,
-                // equivalent to the global ajaxStart event:
-                this._trigger('start');
-                // Set timer for global bitrate progress calculation:
-                this._bitrateTimer = new this._BitrateTimer();
-                // Reset the global progress values:
-                this._progress.loaded = this._progress.total = 0;
-                this._progress.bitrate = 0;
-            }
-            // Make sure the container objects for the .response() and
-            // .progress() methods on the data object are available
-            // and reset to their initial state:
-            this._initResponseObject(data);
-            this._initProgressObject(data);
-            data._progress.loaded = data.loaded = data.uploadedBytes || 0;
-            data._progress.total = data.total = this._getTotal(data.files) || 1;
-            data._progress.bitrate = data.bitrate = 0;
-            this._active += 1;
-            // Initialize the global progress values:
-            this._progress.loaded += data.loaded;
-            this._progress.total += data.total;
-        },
-
-        _onDone: function (result, textStatus, jqXHR, options) {
-            var total = options._progress.total,
-                response = options._response;
-            if (options._progress.loaded < total) {
-                // Create a progress event if no final progress event
-                // with loaded equaling total has been triggered:
-                this._onProgress($.Event('progress', {
-                    lengthComputable: true,
-                    loaded: total,
-                    total: total
-                }), options);
-            }
-            response.result = options.result = result;
-            response.textStatus = options.textStatus = textStatus;
-            response.jqXHR = options.jqXHR = jqXHR;
-            this._trigger('done', null, options);
-        },
-
-        _onFail: function (jqXHR, textStatus, errorThrown, options) {
-            var response = options._response;
-            if (options.recalculateProgress) {
-                // Remove the failed (error or abort) file upload from
-                // the global progress calculation:
-                this._progress.loaded -= options._progress.loaded;
-                this._progress.total -= options._progress.total;
-            }
-            response.jqXHR = options.jqXHR = jqXHR;
-            response.textStatus = options.textStatus = textStatus;
-            response.errorThrown = options.errorThrown = errorThrown;
-            this._trigger('fail', null, options);
-        },
-
-        _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) {
-            // jqXHRorResult, textStatus and jqXHRorError are added to the
-            // options object via done and fail callbacks
-            this._trigger('always', null, options);
-        },
-
-        _onSend: function (e, data) {
-            if (!data.submit) {
-                this._addConvenienceMethods(e, data);
-            }
-            var that = this,
-                jqXHR,
-                aborted,
-                slot,
-                pipe,
-                options = that._getAJAXSettings(data),
-                send = function () {
-                    that._sending += 1;
-                    // Set timer for bitrate progress calculation:
-                    options._bitrateTimer = new that._BitrateTimer();
-                    jqXHR = jqXHR || (
-                        ((aborted || that._trigger(
-                            'send',
-                            $.Event('send', {delegatedEvent: e}),
-                            options
-                        ) === false) &&
-                        that._getXHRPromise(false, options.context, aborted)) ||
-                        that._chunkedUpload(options) || $.ajax(options)
-                    ).done(function (result, textStatus, jqXHR) {
-                        that._onDone(result, textStatus, jqXHR, options);
-                    }).fail(function (jqXHR, textStatus, errorThrown) {
-                        that._onFail(jqXHR, textStatus, errorThrown, options);
-                    }).always(function (jqXHRorResult, textStatus, jqXHRorError) {
-                        that._deinitProgressListener(options);
-                        that._onAlways(
-                            jqXHRorResult,
-                            textStatus,
-                            jqXHRorError,
-                            options
-                        );
-                        that._sending -= 1;
-                        that._active -= 1;
-                        if (options.limitConcurrentUploads &&
-                                options.limitConcurrentUploads > that._sending) {
-                            // Start the next queued upload,
-                            // that has not been aborted:
-                            var nextSlot = that._slots.shift();
-                            while (nextSlot) {
-                                if (that._getDeferredState(nextSlot) === 'pending') {
-                                    nextSlot.resolve();
-                                    break;
-                                }
-                                nextSlot = that._slots.shift();
-                            }
-                        }
-                        if (that._active === 0) {
-                            // The stop callback is triggered when all uploads have
-                            // been completed, equivalent to the global ajaxStop event:
-                            that._trigger('stop');
-                        }
-                    });
-                    return jqXHR;
-                };
-            this._beforeSend(e, options);
-            if (this.options.sequentialUploads ||
-                    (this.options.limitConcurrentUploads &&
-                    this.options.limitConcurrentUploads <= this._sending)) {
-                if (this.options.limitConcurrentUploads > 1) {
-                    slot = $.Deferred();
-                    this._slots.push(slot);
-                    pipe = slot.then(send);
-                } else {
-                    this._sequence = this._sequence.then(send, send);
-                    pipe = this._sequence;
-                }
-                // Return the piped Promise object, enhanced with an abort method,
-                // which is delegated to the jqXHR object of the current upload,
-                // and jqXHR callbacks mapped to the equivalent Promise methods:
-                pipe.abort = function () {
-                    aborted = [undefined, 'abort', 'abort'];
-                    if (!jqXHR) {
-                        if (slot) {
-                            slot.rejectWith(options.context, aborted);
-                        }
-                        return send();
-                    }
-                    return jqXHR.abort();
-                };
-                return this._enhancePromise(pipe);
-            }
-            return send();
-        },
-
-        _onAdd: function (e, data) {
-            var that = this,
-                result = true,
-                options = $.extend({}, this.options, data),
-                files = data.files,
-                filesLength = files.length,
-                limit = options.limitMultiFileUploads,
-                limitSize = options.limitMultiFileUploadSize,
-                overhead = options.limitMultiFileUploadSizeOverhead,
-                batchSize = 0,
-                paramName = this._getParamName(options),
-                paramNameSet,
-                paramNameSlice,
-                fileSet,
-                i,
-                j = 0;
-            if (!filesLength) {
-                return false;
-            }
-            if (limitSize && files[0].size === undefined) {
-                limitSize = undefined;
-            }
-            if (!(options.singleFileUploads || limit || limitSize) ||
-                    !this._isXHRUpload(options)) {
-                fileSet = [files];
-                paramNameSet = [paramName];
-            } else if (!(options.singleFileUploads || limitSize) && limit) {
-                fileSet = [];
-                paramNameSet = [];
-                for (i = 0; i < filesLength; i += limit) {
-                    fileSet.push(files.slice(i, i + limit));
-                    paramNameSlice = paramName.slice(i, i + limit);
-                    if (!paramNameSlice.length) {
-                        paramNameSlice = paramName;
-                    }
-                    paramNameSet.push(paramNameSlice);
-                }
-            } else if (!options.singleFileUploads && limitSize) {
-                fileSet = [];
-                paramNameSet = [];
-                for (i = 0; i < filesLength; i = i + 1) {
-                    batchSize += files[i].size + overhead;
-                    if (i + 1 === filesLength ||
-                            ((batchSize + files[i + 1].size + overhead) > limitSize) ||
-                            (limit && i + 1 - j >= limit)) {
-                        fileSet.push(files.slice(j, i + 1));
-                        paramNameSlice = paramName.slice(j, i + 1);
-                        if (!paramNameSlice.length) {
-                            paramNameSlice = paramName;
-                        }
-                        paramNameSet.push(paramNameSlice);
-                        j = i + 1;
-                        batchSize = 0;
-                    }
-                }
-            } else {
-                paramNameSet = paramName;
-            }
-            data.originalFiles = files;
-            $.each(fileSet || files, function (index, element) {
-                var newData = $.extend({}, data);
-                newData.files = fileSet ? element : [element];
-                newData.paramName = paramNameSet[index];
-                that._initResponseObject(newData);
-                that._initProgressObject(newData);
-                that._addConvenienceMethods(e, newData);
-                result = that._trigger(
-                    'add',
-                    $.Event('add', {delegatedEvent: e}),
-                    newData
-                );
-                return result;
-            });
-            return result;
-        },
-
-        _replaceFileInput: function (data) {
-            var input = data.fileInput,
-                inputClone = input.clone(true),
-                restoreFocus = input.is(document.activeElement);
-            // Add a reference for the new cloned file input to the data argument:
-            data.fileInputClone = inputClone;
-            $('<form></form>').append(inputClone)[0].reset();
-            // Detaching allows to insert the fileInput on another form
-            // without loosing the file input value:
-            input.after(inputClone).detach();
-            // If the fileInput had focus before it was detached,
-            // restore focus to the inputClone.
-            if (restoreFocus) {
-                inputClone.focus();
-            }
-            // Avoid memory leaks with the detached file input:
-            $.cleanData(input.unbind('remove'));
-            // Replace the original file input element in the fileInput
-            // elements set with the clone, which has been copied including
-            // event handlers:
-            this.options.fileInput = this.options.fileInput.map(function (i, el) {
-                if (el === input[0]) {
-                    return inputClone[0];
-                }
-                return el;
-            });
-            // If the widget has been initialized on the file input itself,
-            // override this.element with the file input clone:
-            if (input[0] === this.element[0]) {
-                this.element = inputClone;
-            }
-        },
-
-        _handleFileTreeEntry: function (entry, path) {
-            var that = this,
-                dfd = $.Deferred(),
-                entries = [],
-                dirReader,
-                errorHandler = function (e) {
-                    if (e && !e.entry) {
-                        e.entry = entry;
-                    }
-                    // Since $.when returns immediately if one
-                    // Deferred is rejected, we use resolve instead.
-                    // This allows valid files and invalid items
-                    // to be returned together in one set:
-                    dfd.resolve([e]);
-                },
-                successHandler = function (entries) {
-                    that._handleFileTreeEntries(
-                        entries,
-                        path + entry.name + '/'
-                    ).done(function (files) {
-                        dfd.resolve(files);
-                    }).fail(errorHandler);
-                },
-                readEntries = function () {
-                    dirReader.readEntries(function (results) {
-                        if (!results.length) {
-                            successHandler(entries);
-                        } else {
-                            entries = entries.concat(results);
-                            readEntries();
-                        }
-                    }, errorHandler);
-                };
-            path = path || '';
-            if (entry.isFile) {
-                if (entry._file) {
-                    // Workaround for Chrome bug #149735
-                    entry._file.relativePath = path;
-                    dfd.resolve(entry._file);
-                } else {
-                    entry.file(function (file) {
-                        file.relativePath = path;
-                        dfd.resolve(file);
-                    }, errorHandler);
-                }
-            } else if (entry.isDirectory) {
-                dirReader = entry.createReader();
-                readEntries();
-            } else {
-                // Return an empty list for file system items
-                // other than files or directories:
-                dfd.resolve([]);
-            }
-            return dfd.promise();
-        },
-
-        _handleFileTreeEntries: function (entries, path) {
-            var that = this;
-            return $.when.apply(
-                $,
-                $.map(entries, function (entry) {
-                    return that._handleFileTreeEntry(entry, path);
-                })
-            ).then(function () {
-                return Array.prototype.concat.apply(
-                    [],
-                    arguments
-                );
-            });
-        },
-
-        _getDroppedFiles: function (dataTransfer) {
-            dataTransfer = dataTransfer || {};
-            var items = dataTransfer.items;
-            if (items && items.length && (items[0].webkitGetAsEntry ||
-                    items[0].getAsEntry)) {
-                return this._handleFileTreeEntries(
-                    $.map(items, function (item) {
-                        var entry;
-                        if (item.webkitGetAsEntry) {
-                            entry = item.webkitGetAsEntry();
-                            if (entry) {
-                                // Workaround for Chrome bug #149735:
-                                entry._file = item.getAsFile();
-                            }
-                            return entry;
-                        }
-                        return item.getAsEntry();
-                    })
-                );
-            }
-            return $.Deferred().resolve(
-                $.makeArray(dataTransfer.files)
-            ).promise();
-        },
-
-        _getSingleFileInputFiles: function (fileInput) {
-            fileInput = $(fileInput);
-            var entries = fileInput.prop('webkitEntries') ||
-                    fileInput.prop('entries'),
-                files,
-                value;
-            if (entries && entries.length) {
-                return this._handleFileTreeEntries(entries);
-            }
-            files = $.makeArray(fileInput.prop('files'));
-            if (!files.length) {
-                value = fileInput.prop('value');
-                if (!value) {
-                    return $.Deferred().resolve([]).promise();
-                }
-                // If the files property is not available, the browser does not
-                // support the File API and we add a pseudo File object with
-                // the input value as name with path information removed:
-                files = [{name: value.replace(/^.*\\/, '')}];
-            } else if (files[0].name === undefined && files[0].fileName) {
-                // File normalization for Safari 4 and Firefox 3:
-                $.each(files, function (index, file) {
-                    file.name = file.fileName;
-                    file.size = file.fileSize;
-                });
-            }
-            return $.Deferred().resolve(files).promise();
-        },
-
-        _getFileInputFiles: function (fileInput) {
-            if (!(fileInput instanceof $) || fileInput.length === 1) {
-                return this._getSingleFileInputFiles(fileInput);
-            }
-            return $.when.apply(
-                $,
-                $.map(fileInput, this._getSingleFileInputFiles)
-            ).then(function () {
-                return Array.prototype.concat.apply(
-                    [],
-                    arguments
-                );
-            });
-        },
-
-        _onChange: function (e) {
-            var that = this,
-                data = {
-                    fileInput: $(e.target),
-                    form: $(e.target.form)
-                };
-            this._getFileInputFiles(data.fileInput).always(function (files) {
-                data.files = files;
-                if (that.options.replaceFileInput) {
-                    that._replaceFileInput(data);
-                }
-                if (that._trigger(
-                        'change',
-                        $.Event('change', {delegatedEvent: e}),
-                        data
-                    ) !== false) {
-                    that._onAdd(e, data);
-                }
-            });
-        },
-
-        _onPaste: function (e) {
-            var items = e.originalEvent && e.originalEvent.clipboardData &&
-                    e.originalEvent.clipboardData.items,
-                data = {files: []};
-            if (items && items.length) {
-                $.each(items, function (index, item) {
-                    var file = item.getAsFile && item.getAsFile();
-                    if (file) {
-                        data.files.push(file);
-                    }
-                });
-                if (this._trigger(
-                        'paste',
-                        $.Event('paste', {delegatedEvent: e}),
-                        data
-                    ) !== false) {
-                    this._onAdd(e, data);
-                }
-            }
-        },
-
-        _onDrop: function (e) {
-            e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer;
-            var that = this,
-                dataTransfer = e.dataTransfer,
-                data = {};
-            if (dataTransfer && dataTransfer.files && dataTransfer.files.length) {
-                e.preventDefault();
-                this._getDroppedFiles(dataTransfer).always(function (files) {
-                    data.files = files;
-                    if (that._trigger(
-                            'drop',
-                            $.Event('drop', {delegatedEvent: e}),
-                            data
-                        ) !== false) {
-                        that._onAdd(e, data);
-                    }
-                });
-            }
-        },
-
-        _onDragOver: getDragHandler('dragover'),
-
-        _onDragEnter: getDragHandler('dragenter'),
-
-        _onDragLeave: getDragHandler('dragleave'),
-
-        _initEventHandlers: function () {
-            if (this._isXHRUpload(this.options)) {
-                this._on(this.options.dropZone, {
-                    dragover: this._onDragOver,
-                    drop: this._onDrop,
-                    // event.preventDefault() on dragenter is required for IE10+:
-                    dragenter: this._onDragEnter,
-                    // dragleave is not required, but added for completeness:
-                    dragleave: this._onDragLeave
-                });
-                this._on(this.options.pasteZone, {
-                    paste: this._onPaste
-                });
-            }
-            if ($.support.fileInput) {
-                this._on(this.options.fileInput, {
-                    change: this._onChange
-                });
-            }
-        },
-
-        _destroyEventHandlers: function () {
-            this._off(this.options.dropZone, 'dragenter dragleave dragover drop');
-            this._off(this.options.pasteZone, 'paste');
-            this._off(this.options.fileInput, 'change');
-        },
-
-        _destroy: function () {
-            this._destroyEventHandlers();
-        },
-
-        _setOption: function (key, value) {
-            var reinit = $.inArray(key, this._specialOptions) !== -1;
-            if (reinit) {
-                this._destroyEventHandlers();
-            }
-            this._super(key, value);
-            if (reinit) {
-                this._initSpecialOptions();
-                this._initEventHandlers();
-            }
-        },
-
-        _initSpecialOptions: function () {
-            var options = this.options;
-            if (options.fileInput === undefined) {
-                options.fileInput = this.element.is('input[type="file"]') ?
-                        this.element : this.element.find('input[type="file"]');
-            } else if (!(options.fileInput instanceof $)) {
-                options.fileInput = $(options.fileInput);
-            }
-            if (!(options.dropZone instanceof $)) {
-                options.dropZone = $(options.dropZone);
-            }
-            if (!(options.pasteZone instanceof $)) {
-                options.pasteZone = $(options.pasteZone);
-            }
-        },
-
-        _getRegExp: function (str) {
-            var parts = str.split('/'),
-                modifiers = parts.pop();
-            parts.shift();
-            return new RegExp(parts.join('/'), modifiers);
-        },
-
-        _isRegExpOption: function (key, value) {
-            return key !== 'url' && $.type(value) === 'string' &&
-                /^\/.*\/[igm]{0,3}$/.test(value);
-        },
-
-        _initDataAttributes: function () {
-            var that = this,
-                options = this.options,
-                data = this.element.data();
-            // Initialize options set via HTML5 data-attributes:
-            $.each(
-                this.element[0].attributes,
-                function (index, attr) {
-                    var key = attr.name.toLowerCase(),
-                        value;
-                    if (/^data-/.test(key)) {
-                        // Convert hyphen-ated key to camelCase:
-                        key = key.slice(5).replace(/-[a-z]/g, function (str) {
-                            return str.charAt(1).toUpperCase();
-                        });
-                        value = data[key];
-                        if (that._isRegExpOption(key, value)) {
-                            value = that._getRegExp(value);
-                        }
-                        options[key] = value;
-                    }
-                }
-            );
-        },
-
-        _create: function () {
-            this._initDataAttributes();
-            this._initSpecialOptions();
-            this._slots = [];
-            this._sequence = this._getXHRPromise(true);
-            this._sending = this._active = 0;
-            this._initProgressObject(this);
-            this._initEventHandlers();
-        },
-
-        // This method is exposed to the widget API and allows to query
-        // the number of active uploads:
-        active: function () {
-            return this._active;
-        },
-
-        // This method is exposed to the widget API and allows to query
-        // the widget upload progress.
-        // It returns an object with loaded, total and bitrate properties
-        // for the running uploads:
-        progress: function () {
-            return this._progress;
-        },
-
-        // This method is exposed to the widget API and allows adding files
-        // using the fileupload API. The data parameter accepts an object which
-        // must have a files property and can contain additional options:
-        // .fileupload('add', {files: filesList});
-        add: function (data) {
-            var that = this;
-            if (!data || this.options.disabled) {
-                return;
-            }
-            if (data.fileInput && !data.files) {
-                this._getFileInputFiles(data.fileInput).always(function (files) {
-                    data.files = files;
-                    that._onAdd(null, data);
-                });
-            } else {
-                data.files = $.makeArray(data.files);
-                this._onAdd(null, data);
-            }
-        },
-
-        // This method is exposed to the widget API and allows sending files
-        // using the fileupload API. The data parameter accepts an object which
-        // must have a files or fileInput property and can contain additional options:
-        // .fileupload('send', {files: filesList});
-        // The method returns a Promise object for the file upload call.
-        send: function (data) {
-            if (data && !this.options.disabled) {
-                if (data.fileInput && !data.files) {
-                    var that = this,
-                        dfd = $.Deferred(),
-                        promise = dfd.promise(),
-                        jqXHR,
-                        aborted;
-                    promise.abort = function () {
-                        aborted = true;
-                        if (jqXHR) {
-                            return jqXHR.abort();
-                        }
-                        dfd.reject(null, 'abort', 'abort');
-                        return promise;
-                    };
-                    this._getFileInputFiles(data.fileInput).always(
-                        function (files) {
-                            if (aborted) {
-                                return;
-                            }
-                            if (!files.length) {
-                                dfd.reject();
-                                return;
-                            }
-                            data.files = files;
-                            jqXHR = that._onSend(null, data);
-                            jqXHR.then(
-                                function (result, textStatus, jqXHR) {
-                                    dfd.resolve(result, textStatus, jqXHR);
-                                },
-                                function (jqXHR, textStatus, errorThrown) {
-                                    dfd.reject(jqXHR, textStatus, errorThrown);
-                                }
-                            );
-                        }
-                    );
-                    return this._enhancePromise(promise);
-                }
-                data.files = $.makeArray(data.files);
-                if (data.files.length) {
-                    return this._onSend(null, data);
-                }
-            }
-            return this._getXHRPromise(false, data && data.context);
-        }
-
-    });
-
-}));
diff --git a/library/blueimp_upload/js/jquery.iframe-transport.js b/library/blueimp_upload/js/jquery.iframe-transport.js
deleted file mode 100644
index 8d25c4641..000000000
--- a/library/blueimp_upload/js/jquery.iframe-transport.js
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * jQuery Iframe Transport Plugin
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2011, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* global define, require, window, document, JSON */
-
-;(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define(['jquery'], factory);
-    } else if (typeof exports === 'object') {
-        // Node/CommonJS:
-        factory(require('jquery'));
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    // Helper variable to create unique names for the transport iframes:
-    var counter = 0,
-        jsonAPI = $,
-        jsonParse = 'parseJSON';
-
-    if ('JSON' in window && 'parse' in JSON) {
-      jsonAPI = JSON;
-      jsonParse = 'parse';
-    }
-
-    // The iframe transport accepts four additional options:
-    // options.fileInput: a jQuery collection of file input fields
-    // options.paramName: the parameter name for the file form data,
-    //  overrides the name property of the file input field(s),
-    //  can be a string or an array of strings.
-    // options.formData: an array of objects with name and value properties,
-    //  equivalent to the return data of .serializeArray(), e.g.:
-    //  [{name: 'a', value: 1}, {name: 'b', value: 2}]
-    // options.initialIframeSrc: the URL of the initial iframe src,
-    //  by default set to "javascript:false;"
-    $.ajaxTransport('iframe', function (options) {
-        if (options.async) {
-            // javascript:false as initial iframe src
-            // prevents warning popups on HTTPS in IE6:
-            /*jshint scripturl: true */
-            var initialIframeSrc = options.initialIframeSrc || 'javascript:false;',
-            /*jshint scripturl: false */
-                form,
-                iframe,
-                addParamChar;
-            return {
-                send: function (_, completeCallback) {
-                    form = $('<form style="display:none;"></form>');
-                    form.attr('accept-charset', options.formAcceptCharset);
-                    addParamChar = /\?/.test(options.url) ? '&' : '?';
-                    // XDomainRequest only supports GET and POST:
-                    if (options.type === 'DELETE') {
-                        options.url = options.url + addParamChar + '_method=DELETE';
-                        options.type = 'POST';
-                    } else if (options.type === 'PUT') {
-                        options.url = options.url + addParamChar + '_method=PUT';
-                        options.type = 'POST';
-                    } else if (options.type === 'PATCH') {
-                        options.url = options.url + addParamChar + '_method=PATCH';
-                        options.type = 'POST';
-                    }
-                    // IE versions below IE8 cannot set the name property of
-                    // elements that have already been added to the DOM,
-                    // so we set the name along with the iframe HTML markup:
-                    counter += 1;
-                    iframe = $(
-                        '<iframe src="' + initialIframeSrc +
-                            '" name="iframe-transport-' + counter + '"></iframe>'
-                    ).bind('load', function () {
-                        var fileInputClones,
-                            paramNames = $.isArray(options.paramName) ?
-                                    options.paramName : [options.paramName];
-                        iframe
-                            .unbind('load')
-                            .bind('load', function () {
-                                var response;
-                                // Wrap in a try/catch block to catch exceptions thrown
-                                // when trying to access cross-domain iframe contents:
-                                try {
-                                    response = iframe.contents();
-                                    // Google Chrome and Firefox do not throw an
-                                    // exception when calling iframe.contents() on
-                                    // cross-domain requests, so we unify the response:
-                                    if (!response.length || !response[0].firstChild) {
-                                        throw new Error();
-                                    }
-                                } catch (e) {
-                                    response = undefined;
-                                }
-                                // The complete callback returns the
-                                // iframe content document as response object:
-                                completeCallback(
-                                    200,
-                                    'success',
-                                    {'iframe': response}
-                                );
-                                // Fix for IE endless progress bar activity bug
-                                // (happens on form submits to iframe targets):
-                                $('<iframe src="' + initialIframeSrc + '"></iframe>')
-                                    .appendTo(form);
-                                window.setTimeout(function () {
-                                    // Removing the form in a setTimeout call
-                                    // allows Chrome's developer tools to display
-                                    // the response result
-                                    form.remove();
-                                }, 0);
-                            });
-                        form
-                            .prop('target', iframe.prop('name'))
-                            .prop('action', options.url)
-                            .prop('method', options.type);
-                        if (options.formData) {
-                            $.each(options.formData, function (index, field) {
-                                $('<input type="hidden"/>')
-                                    .prop('name', field.name)
-                                    .val(field.value)
-                                    .appendTo(form);
-                            });
-                        }
-                        if (options.fileInput && options.fileInput.length &&
-                                options.type === 'POST') {
-                            fileInputClones = options.fileInput.clone();
-                            // Insert a clone for each file input field:
-                            options.fileInput.after(function (index) {
-                                return fileInputClones[index];
-                            });
-                            if (options.paramName) {
-                                options.fileInput.each(function (index) {
-                                    $(this).prop(
-                                        'name',
-                                        paramNames[index] || options.paramName
-                                    );
-                                });
-                            }
-                            // Appending the file input fields to the hidden form
-                            // removes them from their original location:
-                            form
-                                .append(options.fileInput)
-                                .prop('enctype', 'multipart/form-data')
-                                // enctype must be set as encoding for IE:
-                                .prop('encoding', 'multipart/form-data');
-                            // Remove the HTML5 form attribute from the input(s):
-                            options.fileInput.removeAttr('form');
-                        }
-                        form.submit();
-                        // Insert the file input fields at their original location
-                        // by replacing the clones with the originals:
-                        if (fileInputClones && fileInputClones.length) {
-                            options.fileInput.each(function (index, input) {
-                                var clone = $(fileInputClones[index]);
-                                // Restore the original name and form properties:
-                                $(input)
-                                    .prop('name', clone.prop('name'))
-                                    .attr('form', clone.attr('form'));
-                                clone.replaceWith(input);
-                            });
-                        }
-                    });
-                    form.append(iframe).appendTo(document.body);
-                },
-                abort: function () {
-                    if (iframe) {
-                        // javascript:false as iframe src aborts the request
-                        // and prevents warning popups on HTTPS in IE6.
-                        // concat is used to avoid the "Script URL" JSLint error:
-                        iframe
-                            .unbind('load')
-                            .prop('src', initialIframeSrc);
-                    }
-                    if (form) {
-                        form.remove();
-                    }
-                }
-            };
-        }
-    });
-
-    // The iframe transport returns the iframe content document as response.
-    // The following adds converters from iframe to text, json, html, xml
-    // and script.
-    // Please note that the Content-Type for JSON responses has to be text/plain
-    // or text/html, if the browser doesn't include application/json in the
-    // Accept header, else IE will show a download dialog.
-    // The Content-Type for XML responses on the other hand has to be always
-    // application/xml or text/xml, so IE properly parses the XML response.
-    // See also
-    // https://github.com/blueimp/jQuery-File-Upload/wiki/Setup#content-type-negotiation
-    $.ajaxSetup({
-        converters: {
-            'iframe text': function (iframe) {
-                return iframe && $(iframe[0].body).text();
-            },
-            'iframe json': function (iframe) {
-                return iframe && jsonAPI[jsonParse]($(iframe[0].body).text());
-            },
-            'iframe html': function (iframe) {
-                return iframe && $(iframe[0].body).html();
-            },
-            'iframe xml': function (iframe) {
-                var xmlDoc = iframe && iframe[0];
-                return xmlDoc && $.isXMLDoc(xmlDoc) ? xmlDoc :
-                        $.parseXML((xmlDoc.XMLDocument && xmlDoc.XMLDocument.xml) ||
-                            $(xmlDoc.body).html());
-            },
-            'iframe script': function (iframe) {
-                return iframe && $.globalEval($(iframe[0].body).text());
-            }
-        }
-    });
-
-}));
diff --git a/library/blueimp_upload/js/main.js b/library/blueimp_upload/js/main.js
deleted file mode 100644
index 0403682e7..000000000
--- a/library/blueimp_upload/js/main.js
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * jQuery File Upload Plugin JS Example
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2010, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * https://opensource.org/licenses/MIT
- */
-
-/* global $, window */
-
-$(function () {
-    'use strict';
-
-    // Initialize the jQuery File Upload widget:
-    $('#fileupload').fileupload({
-        // Uncomment the following to send cross-domain cookies:
-        //xhrFields: {withCredentials: true},
-        url: 'server/php/'
-    });
-
-    // Enable iframe cross-domain access via redirect option:
-    $('#fileupload').fileupload(
-        'option',
-        'redirect',
-        window.location.href.replace(
-            /\/[^\/]*$/,
-            '/cors/result.html?%s'
-        )
-    );
-
-    if (window.location.hostname === 'blueimp.github.io') {
-        // Demo settings:
-        $('#fileupload').fileupload('option', {
-            url: '//jquery-file-upload.appspot.com/',
-            // Enable image resizing, except for Android and Opera,
-            // which actually support image resizing, but fail to
-            // send Blob objects via XHR requests:
-            disableImageResize: /Android(?!.*Chrome)|Opera/
-                .test(window.navigator.userAgent),
-            maxFileSize: 999000,
-            acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i
-        });
-        // Upload server status check for browsers with CORS support:
-        if ($.support.cors) {
-            $.ajax({
-                url: '//jquery-file-upload.appspot.com/',
-                type: 'HEAD'
-            }).fail(function () {
-                $('<div class="alert alert-danger"/>')
-                    .text('Upload server currently unavailable - ' +
-                            new Date())
-                    .appendTo('#fileupload');
-            });
-        }
-    } else {
-        // Load existing files:
-        $('#fileupload').addClass('fileupload-processing');
-        $.ajax({
-            // Uncomment the following to send cross-domain cookies:
-            //xhrFields: {withCredentials: true},
-            url: $('#fileupload').fileupload('option', 'url'),
-            dataType: 'json',
-            context: $('#fileupload')[0]
-        }).always(function () {
-            $(this).removeClass('fileupload-processing');
-        }).done(function (result) {
-            $(this).fileupload('option', 'done')
-                .call(this, $.Event('done'), {result: result});
-        });
-    }
-
-});
diff --git a/library/blueimp_upload/js/vendor/jquery.ui.widget.js b/library/blueimp_upload/js/vendor/jquery.ui.widget.js
deleted file mode 100644
index 914b8ffb8..000000000
--- a/library/blueimp_upload/js/vendor/jquery.ui.widget.js
+++ /dev/null
@@ -1,752 +0,0 @@
-/*! jQuery UI - v1.12.1+CommonJS - 2018-02-10
- * http://jqueryui.com
- * Includes: widget.js
- * Copyright jQuery Foundation and other contributors; Licensed MIT */
-
-(function( factory ) {
-  if ( typeof define === "function" && define.amd ) {
-
-    // AMD. Register as an anonymous module.
-    define([ "jquery" ], factory );
-  } else if ( typeof exports === "object" ) {
-
-    // Node/CommonJS
-    factory( require( "jquery" ) );
-  } else {
-
-    // Browser globals
-    factory( jQuery );
-  }
-}(function( $ ) {
-
-  $.ui = $.ui || {};
-
-  var version = $.ui.version = "1.12.1";
-
-
-  /*!
-   * jQuery UI Widget 1.12.1
-   * http://jqueryui.com
-   *
-   * Copyright jQuery Foundation and other contributors
-   * Released under the MIT license.
-   * http://jquery.org/license
-   */
-
-  //>>label: Widget
-  //>>group: Core
-  //>>description: Provides a factory for creating stateful widgets with a common API.
-  //>>docs: http://api.jqueryui.com/jQuery.widget/
-  //>>demos: http://jqueryui.com/widget/
-
-
-
-  var widgetUuid = 0;
-  var widgetSlice = Array.prototype.slice;
-
-  $.cleanData = ( function( orig ) {
-    return function( elems ) {
-      var events, elem, i;
-      for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {
-        try {
-
-          // Only trigger remove when necessary to save time
-          events = $._data( elem, "events" );
-          if ( events && events.remove ) {
-            $( elem ).triggerHandler( "remove" );
-          }
-
-          // Http://bugs.jquery.com/ticket/8235
-        } catch ( e ) {}
-      }
-      orig( elems );
-    };
-  } )( $.cleanData );
-
-  $.widget = function( name, base, prototype ) {
-    var existingConstructor, constructor, basePrototype;
-
-    // ProxiedPrototype allows the provided prototype to remain unmodified
-    // so that it can be used as a mixin for multiple widgets (#8876)
-    var proxiedPrototype = {};
-
-    var namespace = name.split( "." )[ 0 ];
-    name = name.split( "." )[ 1 ];
-    var fullName = namespace + "-" + name;
-
-    if ( !prototype ) {
-      prototype = base;
-      base = $.Widget;
-    }
-
-    if ( $.isArray( prototype ) ) {
-      prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
-    }
-
-    // Create selector for plugin
-    $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
-      return !!$.data( elem, fullName );
-    };
-
-    $[ namespace ] = $[ namespace ] || {};
-    existingConstructor = $[ namespace ][ name ];
-    constructor = $[ namespace ][ name ] = function( options, element ) {
-
-      // Allow instantiation without "new" keyword
-      if ( !this._createWidget ) {
-        return new constructor( options, element );
-      }
-
-      // Allow instantiation without initializing for simple inheritance
-      // must use "new" keyword (the code above always passes args)
-      if ( arguments.length ) {
-        this._createWidget( options, element );
-      }
-    };
-
-    // Extend with the existing constructor to carry over any static properties
-    $.extend( constructor, existingConstructor, {
-      version: prototype.version,
-
-      // Copy the object used to create the prototype in case we need to
-      // redefine the widget later
-      _proto: $.extend( {}, prototype ),
-
-      // Track widgets that inherit from this widget in case this widget is
-      // redefined after a widget inherits from it
-      _childConstructors: []
-    } );
-
-    basePrototype = new base();
-
-    // We need to make the options hash a property directly on the new instance
-    // otherwise we'll modify the options hash on the prototype that we're
-    // inheriting from
-    basePrototype.options = $.widget.extend( {}, basePrototype.options );
-    $.each( prototype, function( prop, value ) {
-      if ( !$.isFunction( value ) ) {
-        proxiedPrototype[ prop ] = value;
-        return;
-      }
-      proxiedPrototype[ prop ] = ( function() {
-        function _super() {
-          return base.prototype[ prop ].apply( this, arguments );
-        }
-
-        function _superApply( args ) {
-          return base.prototype[ prop ].apply( this, args );
-        }
-
-        return function() {
-          var __super = this._super;
-          var __superApply = this._superApply;
-          var returnValue;
-
-          this._super = _super;
-          this._superApply = _superApply;
-
-          returnValue = value.apply( this, arguments );
-
-          this._super = __super;
-          this._superApply = __superApply;
-
-          return returnValue;
-        };
-      } )();
-    } );
-    constructor.prototype = $.widget.extend( basePrototype, {
-
-      // TODO: remove support for widgetEventPrefix
-      // always use the name + a colon as the prefix, e.g., draggable:start
-      // don't prefix for widgets that aren't DOM-based
-      widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
-    }, proxiedPrototype, {
-      constructor: constructor,
-      namespace: namespace,
-      widgetName: name,
-      widgetFullName: fullName
-    } );
-
-    // If this widget is being redefined then we need to find all widgets that
-    // are inheriting from it and redefine all of them so that they inherit from
-    // the new version of this widget. We're essentially trying to replace one
-    // level in the prototype chain.
-    if ( existingConstructor ) {
-      $.each( existingConstructor._childConstructors, function( i, child ) {
-        var childPrototype = child.prototype;
-
-        // Redefine the child widget using the same prototype that was
-        // originally used, but inherit from the new version of the base
-        $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
-          child._proto );
-      } );
-
-      // Remove the list of existing child constructors from the old constructor
-      // so the old child constructors can be garbage collected
-      delete existingConstructor._childConstructors;
-    } else {
-      base._childConstructors.push( constructor );
-    }
-
-    $.widget.bridge( name, constructor );
-
-    return constructor;
-  };
-
-  $.widget.extend = function( target ) {
-    var input = widgetSlice.call( arguments, 1 );
-    var inputIndex = 0;
-    var inputLength = input.length;
-    var key;
-    var value;
-
-    for ( ; inputIndex < inputLength; inputIndex++ ) {
-      for ( key in input[ inputIndex ] ) {
-        value = input[ inputIndex ][ key ];
-        if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
-
-          // Clone objects
-          if ( $.isPlainObject( value ) ) {
-            target[ key ] = $.isPlainObject( target[ key ] ) ?
-              $.widget.extend( {}, target[ key ], value ) :
-
-              // Don't extend strings, arrays, etc. with objects
-              $.widget.extend( {}, value );
-
-            // Copy everything else by reference
-          } else {
-            target[ key ] = value;
-          }
-        }
-      }
-    }
-    return target;
-  };
-
-  $.widget.bridge = function( name, object ) {
-    var fullName = object.prototype.widgetFullName || name;
-    $.fn[ name ] = function( options ) {
-      var isMethodCall = typeof options === "string";
-      var args = widgetSlice.call( arguments, 1 );
-      var returnValue = this;
-
-      if ( isMethodCall ) {
-
-        // If this is an empty collection, we need to have the instance method
-        // return undefined instead of the jQuery instance
-        if ( !this.length && options === "instance" ) {
-          returnValue = undefined;
-        } else {
-          this.each( function() {
-            var methodValue;
-            var instance = $.data( this, fullName );
-
-            if ( options === "instance" ) {
-              returnValue = instance;
-              return false;
-            }
-
-            if ( !instance ) {
-              return $.error( "cannot call methods on " + name +
-                " prior to initialization; " +
-                "attempted to call method '" + options + "'" );
-            }
-
-            if ( !$.isFunction( instance[ options ] ) || options.charAt( 0 ) === "_" ) {
-              return $.error( "no such method '" + options + "' for " + name +
-                " widget instance" );
-            }
-
-            methodValue = instance[ options ].apply( instance, args );
-
-            if ( methodValue !== instance && methodValue !== undefined ) {
-              returnValue = methodValue && methodValue.jquery ?
-                returnValue.pushStack( methodValue.get() ) :
-                methodValue;
-              return false;
-            }
-          } );
-        }
-      } else {
-
-        // Allow multiple hashes to be passed on init
-        if ( args.length ) {
-          options = $.widget.extend.apply( null, [ options ].concat( args ) );
-        }
-
-        this.each( function() {
-          var instance = $.data( this, fullName );
-          if ( instance ) {
-            instance.option( options || {} );
-            if ( instance._init ) {
-              instance._init();
-            }
-          } else {
-            $.data( this, fullName, new object( options, this ) );
-          }
-        } );
-      }
-
-      return returnValue;
-    };
-  };
-
-  $.Widget = function( /* options, element */ ) {};
-  $.Widget._childConstructors = [];
-
-  $.Widget.prototype = {
-    widgetName: "widget",
-    widgetEventPrefix: "",
-    defaultElement: "<div>",
-
-    options: {
-      classes: {},
-      disabled: false,
-
-      // Callbacks
-      create: null
-    },
-
-    _createWidget: function( options, element ) {
-      element = $( element || this.defaultElement || this )[ 0 ];
-      this.element = $( element );
-      this.uuid = widgetUuid++;
-      this.eventNamespace = "." + this.widgetName + this.uuid;
-
-      this.bindings = $();
-      this.hoverable = $();
-      this.focusable = $();
-      this.classesElementLookup = {};
-
-      if ( element !== this ) {
-        $.data( element, this.widgetFullName, this );
-        this._on( true, this.element, {
-          remove: function( event ) {
-            if ( event.target === element ) {
-              this.destroy();
-            }
-          }
-        } );
-        this.document = $( element.style ?
-
-          // Element within the document
-          element.ownerDocument :
-
-          // Element is window or document
-          element.document || element );
-        this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
-      }
-
-      this.options = $.widget.extend( {},
-        this.options,
-        this._getCreateOptions(),
-        options );
-
-      this._create();
-
-      if ( this.options.disabled ) {
-        this._setOptionDisabled( this.options.disabled );
-      }
-
-      this._trigger( "create", null, this._getCreateEventData() );
-      this._init();
-    },
-
-    _getCreateOptions: function() {
-      return {};
-    },
-
-    _getCreateEventData: $.noop,
-
-    _create: $.noop,
-
-    _init: $.noop,
-
-    destroy: function() {
-      var that = this;
-
-      this._destroy();
-      $.each( this.classesElementLookup, function( key, value ) {
-        that._removeClass( value, key );
-      } );
-
-      // We can probably remove the unbind calls in 2.0
-      // all event bindings should go through this._on()
-      this.element
-        .off( this.eventNamespace )
-        .removeData( this.widgetFullName );
-      this.widget()
-        .off( this.eventNamespace )
-        .removeAttr( "aria-disabled" );
-
-      // Clean up events and states
-      this.bindings.off( this.eventNamespace );
-    },
-
-    _destroy: $.noop,
-
-    widget: function() {
-      return this.element;
-    },
-
-    option: function( key, value ) {
-      var options = key;
-      var parts;
-      var curOption;
-      var i;
-
-      if ( arguments.length === 0 ) {
-
-        // Don't return a reference to the internal hash
-        return $.widget.extend( {}, this.options );
-      }
-
-      if ( typeof key === "string" ) {
-
-        // Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
-        options = {};
-        parts = key.split( "." );
-        key = parts.shift();
-        if ( parts.length ) {
-          curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
-          for ( i = 0; i < parts.length - 1; i++ ) {
-            curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
-            curOption = curOption[ parts[ i ] ];
-          }
-          key = parts.pop();
-          if ( arguments.length === 1 ) {
-            return curOption[ key ] === undefined ? null : curOption[ key ];
-          }
-          curOption[ key ] = value;
-        } else {
-          if ( arguments.length === 1 ) {
-            return this.options[ key ] === undefined ? null : this.options[ key ];
-          }
-          options[ key ] = value;
-        }
-      }
-
-      this._setOptions( options );
-
-      return this;
-    },
-
-    _setOptions: function( options ) {
-      var key;
-
-      for ( key in options ) {
-        this._setOption( key, options[ key ] );
-      }
-
-      return this;
-    },
-
-    _setOption: function( key, value ) {
-      if ( key === "classes" ) {
-        this._setOptionClasses( value );
-      }
-
-      this.options[ key ] = value;
-
-      if ( key === "disabled" ) {
-        this._setOptionDisabled( value );
-      }
-
-      return this;
-    },
-
-    _setOptionClasses: function( value ) {
-      var classKey, elements, currentElements;
-
-      for ( classKey in value ) {
-        currentElements = this.classesElementLookup[ classKey ];
-        if ( value[ classKey ] === this.options.classes[ classKey ] ||
-          !currentElements ||
-          !currentElements.length ) {
-          continue;
-        }
-
-        // We are doing this to create a new jQuery object because the _removeClass() call
-        // on the next line is going to destroy the reference to the current elements being
-        // tracked. We need to save a copy of this collection so that we can add the new classes
-        // below.
-        elements = $( currentElements.get() );
-        this._removeClass( currentElements, classKey );
-
-        // We don't use _addClass() here, because that uses this.options.classes
-        // for generating the string of classes. We want to use the value passed in from
-        // _setOption(), this is the new value of the classes option which was passed to
-        // _setOption(). We pass this value directly to _classes().
-        elements.addClass( this._classes( {
-          element: elements,
-          keys: classKey,
-          classes: value,
-          add: true
-        } ) );
-      }
-    },
-
-    _setOptionDisabled: function( value ) {
-      this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
-
-      // If the widget is becoming disabled, then nothing is interactive
-      if ( value ) {
-        this._removeClass( this.hoverable, null, "ui-state-hover" );
-        this._removeClass( this.focusable, null, "ui-state-focus" );
-      }
-    },
-
-    enable: function() {
-      return this._setOptions( { disabled: false } );
-    },
-
-    disable: function() {
-      return this._setOptions( { disabled: true } );
-    },
-
-    _classes: function( options ) {
-      var full = [];
-      var that = this;
-
-      options = $.extend( {
-        element: this.element,
-        classes: this.options.classes || {}
-      }, options );
-
-      function processClassString( classes, checkOption ) {
-        var current, i;
-        for ( i = 0; i < classes.length; i++ ) {
-          current = that.classesElementLookup[ classes[ i ] ] || $();
-          if ( options.add ) {
-            current = $( $.unique( current.get().concat( options.element.get() ) ) );
-          } else {
-            current = $( current.not( options.element ).get() );
-          }
-          that.classesElementLookup[ classes[ i ] ] = current;
-          full.push( classes[ i ] );
-          if ( checkOption && options.classes[ classes[ i ] ] ) {
-            full.push( options.classes[ classes[ i ] ] );
-          }
-        }
-      }
-
-      this._on( options.element, {
-        "remove": "_untrackClassesElement"
-      } );
-
-      if ( options.keys ) {
-        processClassString( options.keys.match( /\S+/g ) || [], true );
-      }
-      if ( options.extra ) {
-        processClassString( options.extra.match( /\S+/g ) || [] );
-      }
-
-      return full.join( " " );
-    },
-
-    _untrackClassesElement: function( event ) {
-      var that = this;
-      $.each( that.classesElementLookup, function( key, value ) {
-        if ( $.inArray( event.target, value ) !== -1 ) {
-          that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
-        }
-      } );
-    },
-
-    _removeClass: function( element, keys, extra ) {
-      return this._toggleClass( element, keys, extra, false );
-    },
-
-    _addClass: function( element, keys, extra ) {
-      return this._toggleClass( element, keys, extra, true );
-    },
-
-    _toggleClass: function( element, keys, extra, add ) {
-      add = ( typeof add === "boolean" ) ? add : extra;
-      var shift = ( typeof element === "string" || element === null ),
-        options = {
-          extra: shift ? keys : extra,
-          keys: shift ? element : keys,
-          element: shift ? this.element : element,
-          add: add
-        };
-      options.element.toggleClass( this._classes( options ), add );
-      return this;
-    },
-
-    _on: function( suppressDisabledCheck, element, handlers ) {
-      var delegateElement;
-      var instance = this;
-
-      // No suppressDisabledCheck flag, shuffle arguments
-      if ( typeof suppressDisabledCheck !== "boolean" ) {
-        handlers = element;
-        element = suppressDisabledCheck;
-        suppressDisabledCheck = false;
-      }
-
-      // No element argument, shuffle and use this.element
-      if ( !handlers ) {
-        handlers = element;
-        element = this.element;
-        delegateElement = this.widget();
-      } else {
-        element = delegateElement = $( element );
-        this.bindings = this.bindings.add( element );
-      }
-
-      $.each( handlers, function( event, handler ) {
-        function handlerProxy() {
-
-          // Allow widgets to customize the disabled handling
-          // - disabled as an array instead of boolean
-          // - disabled class as method for disabling individual parts
-          if ( !suppressDisabledCheck &&
-            ( instance.options.disabled === true ||
-              $( this ).hasClass( "ui-state-disabled" ) ) ) {
-            return;
-          }
-          return ( typeof handler === "string" ? instance[ handler ] : handler )
-            .apply( instance, arguments );
-        }
-
-        // Copy the guid so direct unbinding works
-        if ( typeof handler !== "string" ) {
-          handlerProxy.guid = handler.guid =
-            handler.guid || handlerProxy.guid || $.guid++;
-        }
-
-        var match = event.match( /^([\w:-]*)\s*(.*)$/ );
-        var eventName = match[ 1 ] + instance.eventNamespace;
-        var selector = match[ 2 ];
-
-        if ( selector ) {
-          delegateElement.on( eventName, selector, handlerProxy );
-        } else {
-          element.on( eventName, handlerProxy );
-        }
-      } );
-    },
-
-    _off: function( element, eventName ) {
-      eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
-        this.eventNamespace;
-      element.off( eventName ).off( eventName );
-
-      // Clear the stack to avoid memory leaks (#10056)
-      this.bindings = $( this.bindings.not( element ).get() );
-      this.focusable = $( this.focusable.not( element ).get() );
-      this.hoverable = $( this.hoverable.not( element ).get() );
-    },
-
-    _delay: function( handler, delay ) {
-      function handlerProxy() {
-        return ( typeof handler === "string" ? instance[ handler ] : handler )
-          .apply( instance, arguments );
-      }
-      var instance = this;
-      return setTimeout( handlerProxy, delay || 0 );
-    },
-
-    _hoverable: function( element ) {
-      this.hoverable = this.hoverable.add( element );
-      this._on( element, {
-        mouseenter: function( event ) {
-          this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
-        },
-        mouseleave: function( event ) {
-          this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
-        }
-      } );
-    },
-
-    _focusable: function( element ) {
-      this.focusable = this.focusable.add( element );
-      this._on( element, {
-        focusin: function( event ) {
-          this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
-        },
-        focusout: function( event ) {
-          this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
-        }
-      } );
-    },
-
-    _trigger: function( type, event, data ) {
-      var prop, orig;
-      var callback = this.options[ type ];
-
-      data = data || {};
-      event = $.Event( event );
-      event.type = ( type === this.widgetEventPrefix ?
-        type :
-        this.widgetEventPrefix + type ).toLowerCase();
-
-      // The original event may come from any element
-      // so we need to reset the target on the new event
-      event.target = this.element[ 0 ];
-
-      // Copy original event properties over to the new event
-      orig = event.originalEvent;
-      if ( orig ) {
-        for ( prop in orig ) {
-          if ( !( prop in event ) ) {
-            event[ prop ] = orig[ prop ];
-          }
-        }
-      }
-
-      this.element.trigger( event, data );
-      return !( $.isFunction( callback ) &&
-        callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
-        event.isDefaultPrevented() );
-    }
-  };
-
-  $.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
-    $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
-      if ( typeof options === "string" ) {
-        options = { effect: options };
-      }
-
-      var hasOptions;
-      var effectName = !options ?
-        method :
-        options === true || typeof options === "number" ?
-        defaultEffect :
-        options.effect || defaultEffect;
-
-      options = options || {};
-      if ( typeof options === "number" ) {
-        options = { duration: options };
-      }
-
-      hasOptions = !$.isEmptyObject( options );
-      options.complete = callback;
-
-      if ( options.delay ) {
-        element.delay( options.delay );
-      }
-
-      if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
-        element[ method ]( options );
-      } else if ( effectName !== method && element[ effectName ] ) {
-        element[ effectName ]( options.duration, options.easing, callback );
-      } else {
-        element.queue( function( next ) {
-          $( this )[ method ]();
-          if ( callback ) {
-            callback.call( element[ 0 ] );
-          }
-          next();
-        } );
-      }
-    };
-  } );
-
-  var widget = $.widget;
-
-
-
-
-}));