Update SabreDAV from 1.8.9 to 1.8.10.

173 files changed, 373 insertions, 231 deletions

diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/AbstractBackend.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/AbstractBackend.php
index 4e46c2e19..c83409eab 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/AbstractBackend.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/AbstractBackend.php
@@ -12,7 +12,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractBackend implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/BackendInterface.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/BackendInterface.php
index 62ce4a36a..0dc31e5f4 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/BackendInterface.php
@@ -7,7 +7,7 @@ namespace Sabre\CalDAV\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/NotificationSupport.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/NotificationSupport.php
index f151fcc81..96533ad6a 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/NotificationSupport.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/NotificationSupport.php
@@ -18,7 +18,7 @@ namespace Sabre\CalDAV\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface NotificationSupport extends BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/PDO.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/PDO.php
index 1405788ba..2e93a7b25 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/PDO.php
@@ -14,7 +14,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PDO extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/SharingSupport.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/SharingSupport.php
index a2d23820b..4538fa5b5 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/SharingSupport.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Backend/SharingSupport.php
@@ -167,7 +167,7 @@ namespace Sabre\CalDAV\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface SharingSupport extends NotificationSupport {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Calendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Calendar.php
index 6d2ae7388..74fa15bb1 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Calendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Calendar.php
@@ -13,7 +13,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Calendar implements ICalendar, DAV\IProperties, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarObject.php b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarObject.php
index 82776c305..2b9d2877e 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarObject.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarObject.php
@@ -7,7 +7,7 @@ namespace Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class CalendarObject extends \Sabre\DAV\File implements ICalendarObject, \Sabre\DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryParser.php b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryParser.php
index ba3ea172b..0a3472408 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryParser.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryParser.php
@@ -12,7 +12,7 @@ use Sabre\VObject;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class CalendarQueryParser {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php
index b440ce8f4..494aed1a7 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarQueryValidator.php
@@ -16,7 +16,7 @@ use DateTime;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class CalendarQueryValidator {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarRootNode.php b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarRootNode.php
index 9883d9f69..4f72ad444 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarRootNode.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/CalendarRootNode.php
@@ -12,7 +12,7 @@ use Sabre\DAVACL\PrincipalBackend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class CalendarRootNode extends \Sabre\DAVACL\AbstractPrincipalCollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Exception/InvalidComponentType.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Exception/InvalidComponentType.php
index 4d9ab3afc..f2a64e33f 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Exception/InvalidComponentType.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Exception/InvalidComponentType.php
@@ -10,7 +10,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class InvalidComponentType extends DAV\Exception\Forbidden {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/ICSExportPlugin.php b/vendor/sabre/dav/lib/Sabre/CalDAV/ICSExportPlugin.php
index a2153b5af..bba7fbd5a 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/ICSExportPlugin.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/ICSExportPlugin.php
@@ -14,7 +14,7 @@ use Sabre\VObject;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ICSExportPlugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendar.php
index 564924333..0f0547046 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendar.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ICalendar extends DAV\ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendarObject.php b/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendarObject.php
index b87028e78..0776abff0 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendarObject.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/ICalendarObject.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ICalendarObject extends DAV\IFile {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/IShareableCalendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/IShareableCalendar.php
index 15ae14c01..4dd62e5c6 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/IShareableCalendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/IShareableCalendar.php
@@ -7,7 +7,7 @@ namespace Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IShareableCalendar extends ICalendar {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/ISharedCalendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/ISharedCalendar.php
index 0c388ad18..917d1c498 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/ISharedCalendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/ISharedCalendar.php
@@ -7,7 +7,7 @@ namespace Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ISharedCalendar extends ICalendar {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Collection.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Collection.php
index 7f87fb365..028b00d87 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Collection.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Collection.php
@@ -18,7 +18,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Collection extends DAV\Collection implements ICollection, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/ICollection.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/ICollection.php
index 2e810a621..26e13b211 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/ICollection.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/ICollection.php
@@ -16,7 +16,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ICollection extends DAV\ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INode.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INode.php
index 6f5fdc56f..cd7fc5798 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INode.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INode.php
@@ -14,7 +14,7 @@ namespace Sabre\CalDAV\Notifications;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INotificationType.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INotificationType.php
index b64d5aaef..b646399b9 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INotificationType.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/INotificationType.php
@@ -8,7 +8,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface INotificationType extends DAV\PropertyInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php
index d6f301093..6367e9388 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Node.php
@@ -15,7 +15,7 @@ use Sabre\DAVACL;
 
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Node extends DAV\File implements INode, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/Invite.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/Invite.php
index f2d6eabc7..8d6974d45 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/Invite.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/Invite.php
@@ -11,7 +11,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Invite extends DAV\Property implements CalDAV\Notifications\INotificationType {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/InviteReply.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/InviteReply.php
index c91366b98..e40751346 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/InviteReply.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/InviteReply.php
@@ -11,7 +11,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class InviteReply extends DAV\Property implements CalDAV\Notifications\INotificationType {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/SystemStatus.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/SystemStatus.php
index c3a1d740b..608892dab 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/SystemStatus.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Notifications/Notification/SystemStatus.php
@@ -13,7 +13,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SystemStatus extends DAV\Property implements CalDAV\Notifications\INotificationType {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Plugin.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Plugin.php
index 53b6f6d71..610929388 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Plugin.php
@@ -14,7 +14,7 @@ use Sabre\VObject;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/Collection.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/Collection.php
index 1b2c1d407..8a747a644 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/Collection.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/Collection.php
@@ -13,7 +13,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Collection extends DAVACL\AbstractPrincipalCollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyRead.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyRead.php
index 8a3fd1cd5..548411fa8 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyRead.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyRead.php
@@ -12,7 +12,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IProxyRead extends DAVACL\IPrincipal {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyWrite.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyWrite.php
index 513e2b360..f0e6e47cb 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyWrite.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/IProxyWrite.php
@@ -12,7 +12,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IProxyWrite extends DAVACL\IPrincipal {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyRead.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyRead.php
index 25f494af7..62f66b98c 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyRead.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyRead.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ProxyRead implements IProxyRead {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyWrite.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyWrite.php
index 3e5f0c41d..02cd81f70 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyWrite.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/ProxyWrite.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ProxyWrite implements IProxyWrite {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/User.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/User.php
index 2d3a95e53..6f3ccb868 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/User.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Principal/User.php
@@ -13,7 +13,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class User extends DAVACL\Principal implements DAV\ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/AllowedSharingModes.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/AllowedSharingModes.php
index eb0417ee2..ca8312d40 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/AllowedSharingModes.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/AllowedSharingModes.php
@@ -18,7 +18,7 @@ use Sabre\DAV;
  * @see https://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Extensions/caldav-sharing-02.txt
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AllowedSharingModes extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/Invite.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/Invite.php
index dceae7574..86ef69e80 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/Invite.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/Invite.php
@@ -16,7 +16,7 @@ use Sabre\CalDAV;
  * @see https://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Extensions/caldav-sharing-02.txt
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Invite extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/ScheduleCalendarTransp.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/ScheduleCalendarTransp.php
index 4d3667e95..7f12d7585 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/ScheduleCalendarTransp.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/ScheduleCalendarTransp.php
@@ -17,7 +17,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ScheduleCalendarTransp extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarComponentSet.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarComponentSet.php
index 6a35f938a..2538fa45d 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarComponentSet.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarComponentSet.php
@@ -14,7 +14,7 @@ use Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedCalendarComponentSet extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarData.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarData.php
index 22b2cc124..efab80a91 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarData.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCalendarData.php
@@ -13,7 +13,7 @@ use Sabre\CalDAV\Plugin;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedCalendarData extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCollationSet.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCollationSet.php
index 48f3aca88..63c37fe5a 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCollationSet.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Property/SupportedCollationSet.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedCollationSet extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IMip.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IMip.php
index 4c0ea1c96..b2b0d98b1 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IMip.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IMip.php
@@ -17,7 +17,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class IMip {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IOutbox.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IOutbox.php
index 5c7b2705e..7341eaa85 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IOutbox.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/IOutbox.php
@@ -8,7 +8,7 @@ namespace Sabre\CalDAV\Schedule;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IOutbox extends \Sabre\DAV\ICollection, \Sabre\DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/Outbox.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/Outbox.php
index f401ba7ef..cf4500f69 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/Outbox.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Schedule/Outbox.php
@@ -14,7 +14,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Outbox extends DAV\Collection implements IOutbox {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/ShareableCalendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/ShareableCalendar.php
index 25790a853..cabf7eb95 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/ShareableCalendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/ShareableCalendar.php
@@ -8,7 +8,7 @@ namespace Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ShareableCalendar extends Calendar implements IShareableCalendar {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/SharedCalendar.php b/vendor/sabre/dav/lib/Sabre/CalDAV/SharedCalendar.php
index d880c06ca..79eda43ab 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/SharedCalendar.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/SharedCalendar.php
@@ -9,7 +9,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SharedCalendar extends Calendar implements ISharedCalendar {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/SharingPlugin.php b/vendor/sabre/dav/lib/Sabre/CalDAV/SharingPlugin.php
index b8270c3f7..e869cb278 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/SharingPlugin.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/SharingPlugin.php
@@ -18,7 +18,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SharingPlugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/UserCalendars.php b/vendor/sabre/dav/lib/Sabre/CalDAV/UserCalendars.php
index 67de13105..6e700eb04 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/UserCalendars.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/UserCalendars.php
@@ -10,7 +10,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class UserCalendars implements DAV\IExtendedCollection, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CalDAV/Version.php b/vendor/sabre/dav/lib/Sabre/CalDAV/Version.php
index 78cf017f9..f30fc20ea 100644
--- a/vendor/sabre/dav/lib/Sabre/CalDAV/Version.php
+++ b/vendor/sabre/dav/lib/Sabre/CalDAV/Version.php
@@ -7,7 +7,7 @@ namespace Sabre\CalDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Version {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBook.php b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBook.php
index ec95796a7..399f38e8d 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBook.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBook.php
@@ -12,7 +12,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AddressBook extends DAV\Collection implements IAddressBook, DAV\IProperties, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookQueryParser.php b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookQueryParser.php
index 101e80ead..3277d98b0 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookQueryParser.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookQueryParser.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AddressBookQueryParser {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookRoot.php b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookRoot.php
index 2398fdfe9..789abbc5d 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookRoot.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/AddressBookRoot.php
@@ -11,7 +11,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AddressBookRoot extends DAVACL\AbstractPrincipalCollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/AbstractBackend.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/AbstractBackend.php
index 06e848539..46909efef 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/AbstractBackend.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/AbstractBackend.php
@@ -11,7 +11,7 @@ namespace Sabre\CardDAV\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractBackend implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/BackendInterface.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/BackendInterface.php
index 3bb5bd98b..982da3a0f 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/BackendInterface.php
@@ -13,7 +13,7 @@ namespace Sabre\CardDAV\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/PDO.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/PDO.php
index 0614498ff..67e0ae3aa 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Backend/PDO.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PDO extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Card.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Card.php
index b3eaf410b..cc65f7600 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Card.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Card.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Card extends DAV\File implements ICard, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/IAddressBook.php b/vendor/sabre/dav/lib/Sabre/CardDAV/IAddressBook.php
index bd4ac600f..e9e990cbd 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/IAddressBook.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/IAddressBook.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IAddressBook extends DAV\ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/ICard.php b/vendor/sabre/dav/lib/Sabre/CardDAV/ICard.php
index af28d3830..e9a633132 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/ICard.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/ICard.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ICard extends DAV\IFile {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/IDirectory.php b/vendor/sabre/dav/lib/Sabre/CardDAV/IDirectory.php
index 5dfe4832d..c2774cb45 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/IDirectory.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/IDirectory.php
@@ -13,7 +13,7 @@ namespace Sabre\CardDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IDirectory extends IAddressBook {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Plugin.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Plugin.php
index e7a0f0aba..71a61fefc 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Plugin.php
@@ -13,7 +13,7 @@ use Sabre\VObject;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Property/SupportedAddressData.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Property/SupportedAddressData.php
index 208efabe7..9d8dd2e6d 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Property/SupportedAddressData.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Property/SupportedAddressData.php
@@ -13,7 +13,7 @@ use Sabre\CardDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedAddressData extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/UserAddressBooks.php b/vendor/sabre/dav/lib/Sabre/CardDAV/UserAddressBooks.php
index 54ea87901..b4af86147 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/UserAddressBooks.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/UserAddressBooks.php
@@ -12,7 +12,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class UserAddressBooks extends DAV\Collection implements DAV\IExtendedCollection, DAVACL\IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/VCFExportPlugin.php b/vendor/sabre/dav/lib/Sabre/CardDAV/VCFExportPlugin.php
index 8889cbd4b..3f91a3012 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/VCFExportPlugin.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/VCFExportPlugin.php
@@ -15,7 +15,7 @@ use Sabre\VObject;
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
  * @author Thomas Tanghus (http://tanghus.net/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class VCFExportPlugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/CardDAV/Version.php b/vendor/sabre/dav/lib/Sabre/CardDAV/Version.php
index ade46ea00..00221941b 100644
--- a/vendor/sabre/dav/lib/Sabre/CardDAV/Version.php
+++ b/vendor/sabre/dav/lib/Sabre/CardDAV/Version.php
@@ -9,7 +9,7 @@ namespace Sabre\CardDAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Version {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractBasic.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractBasic.php
index 5ea6f6c7c..599f932d4 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractBasic.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractBasic.php
@@ -15,7 +15,7 @@ use Sabre\HTTP;
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author James David Low (http://jameslow.com/)
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractBasic implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractDigest.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractDigest.php
index e140f7b3a..dc00438c9 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractDigest.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractDigest.php
@@ -14,7 +14,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractDigest implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/Apache.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/Apache.php
index 308f5eff2..66fdd91e1 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/Apache.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/Apache.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Apache implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/BackendInterface.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/BackendInterface.php
index 36e472002..b8d04e2e1 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/BackendInterface.php
@@ -7,7 +7,7 @@ namespace Sabre\DAV\Auth\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/File.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/File.php
index c7c1047a5..a8e913614 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/File.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/File.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class File extends AbstractDigest {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/PDO.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/PDO.php
index a5fb5f18c..f153d8429 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/PDO.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Auth\Backend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PDO extends AbstractDigest {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Plugin.php
index 95c669e4a..dbebc20f0 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Auth/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Auth/Plugin.php
@@ -14,7 +14,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Browser/GuessContentType.php b/vendor/sabre/dav/lib/Sabre/DAV/Browser/GuessContentType.php
index 41ec4bb8b..9fd47b930 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Browser/GuessContentType.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Browser/GuessContentType.php
@@ -17,7 +17,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class GuessContentType extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Browser/MapGetToPropFind.php b/vendor/sabre/dav/lib/Sabre/DAV/Browser/MapGetToPropFind.php
index ff8452c57..881c063b9 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Browser/MapGetToPropFind.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Browser/MapGetToPropFind.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class MapGetToPropFind extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Browser/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAV/Browser/Plugin.php
index 0e54f706f..751c22965 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Browser/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Browser/Plugin.php
@@ -15,7 +15,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
@@ -374,7 +374,7 @@ class Plugin extends DAV\ServerPlugin {
         $html.=$output;
 
         $html.= "</table>
-        <address>Generated by SabreDAV " . $version . " (c)2007-2014 <a href=\"http://code.google.com/p/sabredav/\">http://code.google.com/p/sabredav/</a></address>
+        <address>Generated by SabreDAV " . $version . " (c)2007-2014 <a href=\"http://sabre.io/\">http://sabre.io/</a></address>
         </body>
         </html>";
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Client.php b/vendor/sabre/dav/lib/Sabre/DAV/Client.php
index 1cec8ff6f..705b32195 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Client.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Client.php
@@ -12,7 +12,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Client {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Collection.php b/vendor/sabre/dav/lib/Sabre/DAV/Collection.php
index 9564dd462..0090a4d6e 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Collection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Collection.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Collection extends Node implements ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception.php
index 3f99fc4dd..22a319e9f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception.php
@@ -7,7 +7,7 @@
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 
 namespace Sabre\DAV;
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/BadRequest.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/BadRequest.php
index 2fcd4c04d..d59727e3a 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/BadRequest.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/BadRequest.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class BadRequest extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Conflict.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Conflict.php
index b15ca37cc..cbb8fcf1a 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Conflict.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Conflict.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Conflict extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ConflictingLock.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ConflictingLock.php
index 33cdf50d8..715870f46 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ConflictingLock.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ConflictingLock.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ConflictingLock extends Locked {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/FileNotFound.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/FileNotFound.php
index 6743d1d04..aa4844cb9 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/FileNotFound.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/FileNotFound.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV\Exception;
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
  * @deprecated Use Sabre\DAV\Exception\NotFound instead
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class FileNotFound extends NotFound {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Forbidden.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Forbidden.php
index 6fb5004d7..2dc620612 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Forbidden.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Forbidden.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Forbidden extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/InsufficientStorage.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/InsufficientStorage.php
index 90aa6abb2..f7e382c5a 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/InsufficientStorage.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/InsufficientStorage.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class InsufficientStorage extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/InvalidResourceType.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/InvalidResourceType.php
index 16162e08f..847ed4786 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/InvalidResourceType.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/InvalidResourceType.php
@@ -12,7 +12,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class InvalidResourceType extends Forbidden {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/LengthRequired.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/LengthRequired.php
new file mode 100644
index 000000000..9487686dc
--- /dev/null
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/LengthRequired.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Sabre\DAV\Exception;
+
+use Sabre\DAV;
+
+/**
+ * LengthRequired
+ *
+ * This exception is thrown when a request was made that required a
+ * Content-Length header, but did not contain one.
+ *
+ * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class LengthRequired extends DAV\Exception {
+
+    /**
+     * Returns the HTTP statuscode for this exception
+     *
+     * @return int
+     */
+    public function getHTTPCode() {
+
+        return 411;
+
+    }
+
+}
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/LockTokenMatchesRequestUri.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/LockTokenMatchesRequestUri.php
index e99b68d40..37fc7f8dc 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/LockTokenMatchesRequestUri.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/LockTokenMatchesRequestUri.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class LockTokenMatchesRequestUri extends Conflict {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Locked.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Locked.php
index 000adaac9..2bee1b02f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/Locked.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/Locked.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Locked extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/MethodNotAllowed.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/MethodNotAllowed.php
index 7dd97f48f..05970cfa8 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/MethodNotAllowed.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/MethodNotAllowed.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class MethodNotAllowed extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotAuthenticated.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotAuthenticated.php
index 1c4dc2ae9..c082d489b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotAuthenticated.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotAuthenticated.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NotAuthenticated extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotFound.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotFound.php
index 281ba2136..83e699cb2 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotFound.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotFound.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NotFound extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotImplemented.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotImplemented.php
index 0b76fb19a..5f031cb7f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotImplemented.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/NotImplemented.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NotImplemented extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/PaymentRequired.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/PaymentRequired.php
index 511403c2b..3c256a064 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/PaymentRequired.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/PaymentRequired.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PaymentRequired extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/PreconditionFailed.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/PreconditionFailed.php
index 9e51ba01f..deb8a5bea 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/PreconditionFailed.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/PreconditionFailed.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PreconditionFailed extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ReportNotSupported.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ReportNotSupported.php
index 59bee3f34..8e32096e0 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ReportNotSupported.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ReportNotSupported.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ReportNotSupported extends Forbidden {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/RequestedRangeNotSatisfiable.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/RequestedRangeNotSatisfiable.php
index c33aa9bb1..25002be6a 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/RequestedRangeNotSatisfiable.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/RequestedRangeNotSatisfiable.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class RequestedRangeNotSatisfiable extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ServiceUnavailable.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ServiceUnavailable.php
index 157687c6e..59e433954 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/ServiceUnavailable.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/ServiceUnavailable.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @author Thomas Müller <thomas.mueller@tmit.eu>
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ServiceUnavailable extends DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Exception/UnsupportedMediaType.php b/vendor/sabre/dav/lib/Sabre/DAV/Exception/UnsupportedMediaType.php
index 293c9b7b9..46eea60df 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Exception/UnsupportedMediaType.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Exception/UnsupportedMediaType.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV\Exception;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class UnsupportedMediaType extends \Sabre\DAV\Exception {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FS/Directory.php b/vendor/sabre/dav/lib/Sabre/DAV/FS/Directory.php
index 8a6d1f038..6fdd2aecf 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FS/Directory.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FS/Directory.php
@@ -8,7 +8,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Directory extends Node implements DAV\ICollection, DAV\IQuota {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FS/File.php b/vendor/sabre/dav/lib/Sabre/DAV/FS/File.php
index b15883555..d10370fae 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FS/File.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FS/File.php
@@ -9,7 +9,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class File extends Node implements DAV\IFile {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FS/Node.php b/vendor/sabre/dav/lib/Sabre/DAV/FS/Node.php
index dc31bdfe9..605fa3c82 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FS/Node.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FS/Node.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Node implements DAV\INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Directory.php b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Directory.php
index e547b368a..da3d2cc69 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Directory.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Directory.php
@@ -9,7 +9,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Directory extends Node implements DAV\ICollection, DAV\IQuota {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/File.php b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/File.php
index e895d9140..6588fad7e 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/File.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/File.php
@@ -8,9 +8,9 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
-class File extends Node implements DAV\PartialUpdate\IFile {
+class File extends Node implements DAV\PartialUpdate\IPatchSupport {
 
     /**
      * Updates the data
@@ -28,19 +28,47 @@ class File extends Node implements DAV\PartialUpdate\IFile {
     }
 
     /**
-     * Updates the data at a given offset
+     * Updates the file based on a range specification.
      *
-     * The data argument is a readable stream resource.
-     * The offset argument is a 0-based offset where the data should be
-     * written.
+     * The first argument is the data, which is either a readable stream
+     * resource or a string.
      *
-     * param resource|string $data
-     * @return void
+     * The second argument is the type of update we're doing.
+     * This is either:
+     * * 1. append
+     * * 2. update based on a start byte
+     * * 3. update based on an end byte
+     *;
+     * The third argument is the start or end byte.
+     *
+     * After a successful put operation, you may choose to return an ETag. The
+     * etag must always be surrounded by double-quotes. These quotes must
+     * appear in the actual string you're returning.
+     *
+     * Clients may use the ETag from a PUT request to later on make sure that
+     * when they update the file, the contents haven't changed in the mean
+     * time.
+     *
+     * @param resource|string $data
+     * @param int $rangeType
+     * @param int $offset
+     * @return string|null
      */
-    public function putRange($data, $offset) {
-
-        $f = fopen($this->path, 'c');
-        fseek($f,$offset-1);
+    public function patch($data, $rangeType, $offset = null) {
+
+        switch($rangeType) {
+            case 1 :
+                $f = fopen($this->path, 'a');
+                break;
+            case 2 :
+                $f = fopen($this->path, 'c');
+                fseek($f,$offset);
+                break;
+            case 3 :
+                $f = fopen($this->path, 'c');
+                fseek($f, $offset, SEEK_END);
+                break;
+        }
         if (is_string($data)) {
             fwrite($f, $data);
         } else {
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Node.php b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Node.php
index 285ab496a..0e11582f3 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Node.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/FSExt/Node.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Node extends DAV\FS\Node implements DAV\IProperties {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/File.php b/vendor/sabre/dav/lib/Sabre/DAV/File.php
index 4ab25530d..af8ce735f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/File.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/File.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class File extends Node implements IFile {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/ICollection.php b/vendor/sabre/dav/lib/Sabre/DAV/ICollection.php
index 2c4d95456..c38d5e553 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/ICollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/ICollection.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface ICollection extends INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/IExtendedCollection.php b/vendor/sabre/dav/lib/Sabre/DAV/IExtendedCollection.php
index 45ab8630f..8d3748467 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/IExtendedCollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/IExtendedCollection.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IExtendedCollection extends ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/IFile.php b/vendor/sabre/dav/lib/Sabre/DAV/IFile.php
index 1df454db2..6245d3fad 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/IFile.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/IFile.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IFile extends INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/INode.php b/vendor/sabre/dav/lib/Sabre/DAV/INode.php
index f59dca754..e183c84be 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/INode.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/INode.php
@@ -7,7 +7,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/IProperties.php b/vendor/sabre/dav/lib/Sabre/DAV/IProperties.php
index 7f0d8b259..f3601575b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/IProperties.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/IProperties.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IProperties extends INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/IQuota.php b/vendor/sabre/dav/lib/Sabre/DAV/IQuota.php
index 60fedb5a5..988df3d06 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/IQuota.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/IQuota.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IQuota extends ICollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/AbstractBackend.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/AbstractBackend.php
index fa13f462c..b2c7b983a 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/AbstractBackend.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/AbstractBackend.php
@@ -13,7 +13,7 @@ use Sabre\DAV\Locks;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractBackend implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/BackendInterface.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/BackendInterface.php
index 7bd7d572d..bae666b2f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/BackendInterface.php
@@ -10,7 +10,7 @@ use Sabre\DAV\Locks;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/FS.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/FS.php
index 971db9740..a9b0aaaaf 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/FS.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/FS.php
@@ -19,7 +19,7 @@ use Sabre\DAV\Locks\LockInfo;
  * @deprecated
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class FS extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/File.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/File.php
index c62e1d465..9ac7e06b2 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/File.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/File.php
@@ -14,7 +14,7 @@ use Sabre\DAV\Locks\LockInfo;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class File extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/PDO.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/PDO.php
index 3617daafc..ebaeef860 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Backend/PDO.php
@@ -12,7 +12,7 @@ use Sabre\DAV\Locks\LockInfo;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PDO extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/LockInfo.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/LockInfo.php
index d3588ac10..74bdb0f9c 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/LockInfo.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/LockInfo.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV\Locks;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class LockInfo {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php
index 34e1b53f9..001f8175d 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php
@@ -16,7 +16,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
@@ -503,7 +503,7 @@ class Plugin extends DAV\ServerPlugin {
 
                         $uri = $conditionUri?$conditionUri:$this->server->getRequestUri();
                         $node = $this->server->tree->getNodeForPath($uri);
-                        $etagValid = $node->getETag()==$conditionToken[2];
+                        $etagValid = $node instanceof DAV\IFile && $node->getETag()==$conditionToken[2];
 
                     }
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Mount/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAV/Mount/Plugin.php
index 23f7f31e2..8376b03b0 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Mount/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Mount/Plugin.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Node.php b/vendor/sabre/dav/lib/Sabre/DAV/Node.php
index 3619ac250..44e47be68 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Node.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Node.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Node implements INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/ObjectTree.php b/vendor/sabre/dav/lib/Sabre/DAV/ObjectTree.php
index 5bdfdffe6..3e7c0fcf8 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/ObjectTree.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/ObjectTree.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ObjectTree extends Tree {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IFile.php b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IFile.php
index 69c41b008..9cfb47377 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IFile.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IFile.php
@@ -5,13 +5,12 @@ namespace Sabre\DAV\PartialUpdate;
 use Sabre\DAV;
 
 /**
- * This interface provides a way to modify only part of a target resource
- * It may be used to update a file chunk, upload big a file into smaller
- * chunks or resume an upload
+ * This interface is deprecated. Use IPatchSupport instead.
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Jean-Tiare LE BIGOT (http://www.jtlebi.fr/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
+ * @deprecated
  */
 interface IFile extends DAV\IFile {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IPatchSupport.php b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IPatchSupport.php
new file mode 100644
index 000000000..aff1d320f
--- /dev/null
+++ b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/IPatchSupport.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Sabre\DAV\PartialUpdate;
+
+use Sabre\DAV;
+
+/**
+ * This interface provides a way to modify only part of a target resource
+ * It may be used to update a file chunk, upload big a file into smaller
+ * chunks or resume an upload
+ *
+ * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
+ * @author Jean-Tiare LE BIGOT (http://www.jtlebi.fr/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+interface IPatchSupport extends DAV\IFile {
+
+    /**
+     * Updates the file based on a range specification.
+     *
+     * The first argument is the data, which is either a readable stream
+     * resource or a string.
+     *
+     * The second argument is the type of update we're doing.
+     * This is either:
+     * * 1. append
+     * * 2. update based on a start byte
+     * * 3. update based on an end byte
+     *;
+     * The third argument is the start or end byte.
+     *
+     * After a successful put operation, you may choose to return an ETag. The
+     * etag must always be surrounded by double-quotes. These quotes must
+     * appear in the actual string you're returning.
+     *
+     * Clients may use the ETag from a PUT request to later on make sure that
+     * when they update the file, the contents haven't changed in the mean
+     * time.
+     *
+     * @param resource|string $data
+     * @param int $rangeType
+     * @param int $offset
+     * @return string|null
+     */
+    function patch($data, $rangeType, $offset = null);
+
+}
+
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/Plugin.php
index 26188a1fa..2c402dc8f 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/PartialUpdate/Plugin.php
@@ -16,10 +16,14 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Jean-Tiare LE BIGOT (http://www.jtlebi.fr/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
+    const RANGE_APPEND = 1;
+    const RANGE_START = 2;
+    const RANGE_END = 3;
+
     /**
      * Reference to server
      *
@@ -69,7 +73,7 @@ class Plugin extends DAV\ServerPlugin {
     public function unknownMethod($method, $uri) {
 
         switch($method) {
-            
+
             case 'PATCH':
                 return $this->httpPatch($uri);
 
@@ -83,7 +87,7 @@ class Plugin extends DAV\ServerPlugin {
      *
      * This method is passed a uri. It should only return HTTP methods that are
      * available for the specified uri.
-     * 
+     *
      * We claim to support PATCH method (partial update) if and only if
      *     - the node exist
      *     - the node implements our partial update interface
@@ -92,15 +96,15 @@ class Plugin extends DAV\ServerPlugin {
      * @return array
      */
     public function getHTTPMethods($uri) {
-        
+
         $tree = $this->server->tree;
-        
-        if ($tree->nodeExists($uri) && 
-            $tree->getNodeForPath($uri) instanceof IFile) {
-            return array('PATCH');
-         }
-         
-         return array();
+        if ($tree->nodeExists($uri)) {
+            $node = $tree->getNodeForPath($uri);
+            if ($node instanceof IFile || $node instanceof IPatchSupport) {
+                return array('PATCH');
+            }
+        }
+        return array();
 
     }
 
@@ -118,7 +122,7 @@ class Plugin extends DAV\ServerPlugin {
     /**
      * Patch an uri
      *
-     * The WebDAV patch request can be used to modify only a part of an 
+     * The WebDAV patch request can be used to modify only a part of an
      * existing resource. If the resource does not exist yet and the first
      * offset is not 0, the request fails
      *
@@ -129,7 +133,7 @@ class Plugin extends DAV\ServerPlugin {
 
         // Get the node. Will throw a 404 if not found
         $node = $this->server->tree->getNodeForPath($uri);
-        if (!($node instanceof IFile)) {
+        if (!$node instanceof IFile && !$node instanceof IPatchSupport) {
             throw new DAV\Exception\MethodNotAllowed('The target resource does not support the PATCH method.');
         }
 
@@ -138,27 +142,33 @@ class Plugin extends DAV\ServerPlugin {
         if (!$range) {
             throw new DAV\Exception\BadRequest('No valid "X-Update-Range" found in the headers');
         }
-        
+
         $contentType = strtolower(
             $this->server->httpRequest->getHeader('Content-Type')
         );
-        
+
         if ($contentType != 'application/x-sabredav-partialupdate') {
             throw new DAV\Exception\UnsupportedMediaType('Unknown Content-Type header "' . $contentType . '"');
         }
 
         $len = $this->server->httpRequest->getHeader('Content-Length');
-
-        // Load the begin and end data
-        $start = ($range[0])?$range[0]:0;
-        $end   = ($range[1])?$range[1]:$len-1;
-
-        // Check consistency
-        if($end < $start)
-            throw new DAV\Exception\RequestedRangeNotSatisfiable('The end offset (' . $range[1] . ') is lower than the start offset (' . $range[0] . ')');
-        if($end - $start + 1 != $len)
-            throw new DAV\Exception\RequestedRangeNotSatisfiable('Actual data length (' . $len . ') is not consistent with begin (' . $range[0] . ') and end (' . $range[1] . ') offsets');
-
+        if (!$len) throw new DAV\Exception\LengthRequired('A Content-Length header is required');
+
+        switch($range[0]) {
+            case self::RANGE_START :
+                // Calculate the end-range if it doesn't exist.
+                if (!$range[2]) {
+                    $range[2] = $range[1] + $len - 1;
+                } else {
+                    if ($range[2] < $range[1]) {
+                        throw new DAV\Exception\RequestedRangeNotSatisfiable('The end offset (' . $range[2] . ') is lower than the start offset (' . $range[1] . ')');
+                    }
+                    if($range[2] - $range[1] + 1 != $len) {
+                        throw new DAV\Exception\RequestedRangeNotSatisfiable('Actual data length (' . $len . ') is not consistent with begin (' . $range[1] . ') and end (' . $range[2] . ') offsets');
+                    }
+                }
+                break;
+        }
         // Checking If-None-Match and related headers.
         if (!$this->server->checkPreconditions()) return;
 
@@ -166,7 +176,23 @@ class Plugin extends DAV\ServerPlugin {
             return;
 
         $body = $this->server->httpRequest->getBody();
-        $etag = $node->putRange($body, $start-1);
+
+
+        if ($node instanceof IPatchSupport) {
+            $etag = $node->patch($body, $range[0], isset($range[1])?$range[1]:null);
+        } else {
+            // The old interface
+            switch($range[0]) {
+                case self::RANGE_APPEND :
+                    throw new DAV\Exception\NotImplemented('This node does not support the append syntax. Please upgrade it to IPatchSupport');
+                case self::RANGE_START :
+                    $etag = $node->putRange($body, $range[1]);
+                    break;
+                case self::RANGE_END :
+                    throw new DAV\Exception\NotImplemented('This node does not support the end-range syntax. Please upgrade it to IPatchSupport');
+                    break;
+            }
+        }
 
         $this->server->broadcastEvent('afterWriteContent',array($uri, $node));
 
@@ -177,18 +203,23 @@ class Plugin extends DAV\ServerPlugin {
         return false;
 
     }
-    
+
    /**
      * Returns the HTTP custom range update header
      *
      * This method returns null if there is no well-formed HTTP range request
-     * header or array($start, $end).
+     * header. It returns array(1) if it was an append request, array(2,
+     * $start, $end) if it's a start and end range, lastly it's array(3,
+     * $endoffset) if the offset was negative, and should be calculated from
+     * the end of the file.
      *
-     * The first number is the offset of the first byte in the range.
-     * The second number is the offset of the last byte in the range.
+     * Examples:
      *
-     * If the second offset is null, it should be treated as the offset of the last byte of the entity
-     * If the first offset is null, the second offset should be used to retrieve the last x bytes of the entity
+     * null - invalid
+     * array(1) - append
+     * array(2,10,15) - update bytes 10, 11, 12, 13, 14, 15
+     * array(2,10,null) - update bytes 10 until the end of the patch body
+     * array(3,-5) - update from 5 bytes from the end of the file.
      *
      * @return array|null
      */
@@ -199,14 +230,17 @@ class Plugin extends DAV\ServerPlugin {
 
         // Matching "Range: bytes=1234-5678: both numbers are optional
 
-        if (!preg_match('/^bytes=([0-9]*)-([0-9]*)$/i',$range,$matches)) return null;
-
-        if ($matches[1]==='' && $matches[2]==='') return null;
+        if (!preg_match('/^(append)|(?:bytes=([0-9]+)-([0-9]*))|(?:bytes=(-[0-9]+))$/i',$range,$matches)) return null;
 
-        return array(
-            $matches[1]!==''?$matches[1]:null,
-            $matches[2]!==''?$matches[2]:null,
-        );
+        if ($matches[1]==='append') {
+            return array(self::RANGE_APPEND);
+        } elseif (strlen($matches[2])>0) {
+            return array(self::RANGE_START, $matches[2], $matches[3]?:null);
+        } elseif ($matches[4]) {
+            return array(self::RANGE_END, $matches[4]);
+        } else {
+            return null;
+        }
 
     }
 }
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property.php b/vendor/sabre/dav/lib/Sabre/DAV/Property.php
index c5943f1b0..d0c265907 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Property implements PropertyInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/GetLastModified.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/GetLastModified.php
index b0b950535..987e3fc02 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/GetLastModified.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/GetLastModified.php
@@ -16,7 +16,7 @@ use Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class GetLastModified extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/Href.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/Href.php
index e51d4e3f7..f0c162706 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/Href.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/Href.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Href extends DAV\Property implements IHref {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/HrefList.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/HrefList.php
index e0cca68cd..a5bad4ace 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/HrefList.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/HrefList.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class HrefList extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/IHref.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/IHref.php
index 473c1942f..268ab8d51 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/IHref.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/IHref.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV\Property;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IHref {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/LockDiscovery.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/LockDiscovery.php
index 52095f733..6b47935af 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/LockDiscovery.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/LockDiscovery.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class LockDiscovery extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/ResourceType.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/ResourceType.php
index e5ce84b7f..68134f3f9 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/ResourceType.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/ResourceType.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ResourceType extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/Response.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/Response.php
index 16aa23168..370abc26b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/Response.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/Response.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Response extends DAV\Property implements IHref {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/ResponseList.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/ResponseList.php
index d9840f585..9db6cbbf5 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/ResponseList.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/ResponseList.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class ResponseList extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedLock.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedLock.php
index 1bab4e0be..035c2f330 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedLock.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedLock.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedLock extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedReportSet.php b/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedReportSet.php
index d5ed32c42..a8a90bb18 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedReportSet.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Property/SupportedReportSet.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedReportSet extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/PropertyInterface.php b/vendor/sabre/dav/lib/Sabre/DAV/PropertyInterface.php
index f3b8862aa..2fb0d7db6 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/PropertyInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/PropertyInterface.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface PropertyInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Server.php b/vendor/sabre/dav/lib/Sabre/DAV/Server.php
index 4aa6cacd4..e0a68ab50 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Server.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Server.php
@@ -8,7 +8,7 @@ use Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Server {
 
@@ -684,6 +684,9 @@ class Server {
      */
     protected function httpDelete($uri) {
 
+        // Checking If-None-Match and related headers.
+        if (!$this->checkPreconditions()) return;
+
         if (!$this->broadcastEvent('beforeUnbind',array($uri))) return;
         $this->tree->delete($uri);
         $this->broadcastEvent('afterUnbind',array($uri));
@@ -871,13 +874,13 @@ class Server {
 
         }
 
+        // Checking If-None-Match and related headers.
+        if (!$this->checkPreconditions()) return;
+
         if ($this->tree->nodeExists($uri)) {
 
             $node = $this->tree->getNodeForPath($uri);
 
-            // Checking If-None-Match and related headers.
-            if (!$this->checkPreconditions()) return;
-
             // If the node is a collection, we'll deny it
             if (!($node instanceof IFile)) throw new Exception\Conflict('PUT is not allowed on non-files.');
             if (!$this->broadcastEvent('beforeWriteContent',array($uri, $node, &$body))) return false;
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/ServerPlugin.php b/vendor/sabre/dav/lib/Sabre/DAV/ServerPlugin.php
index 44bd037b9..c393f43fb 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/ServerPlugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/ServerPlugin.php
@@ -9,7 +9,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/SimpleCollection.php b/vendor/sabre/dav/lib/Sabre/DAV/SimpleCollection.php
index 17af83c8c..1bdb166c7 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/SimpleCollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/SimpleCollection.php
@@ -10,7 +10,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SimpleCollection extends Collection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/SimpleFile.php b/vendor/sabre/dav/lib/Sabre/DAV/SimpleFile.php
index 4c3b673ae..b7413fdde 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/SimpleFile.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/SimpleFile.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SimpleFile extends File {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/StringUtil.php b/vendor/sabre/dav/lib/Sabre/DAV/StringUtil.php
index 1f42694a5..c71575f49 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/StringUtil.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/StringUtil.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class StringUtil {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/TemporaryFileFilterPlugin.php b/vendor/sabre/dav/lib/Sabre/DAV/TemporaryFileFilterPlugin.php
index 6c3f05b56..37f976b7b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/TemporaryFileFilterPlugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/TemporaryFileFilterPlugin.php
@@ -24,7 +24,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class TemporaryFileFilterPlugin extends ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Tree.php b/vendor/sabre/dav/lib/Sabre/DAV/Tree.php
index 196b6024b..ab94168b2 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Tree.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Tree.php
@@ -7,7 +7,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class Tree {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Tree/Filesystem.php b/vendor/sabre/dav/lib/Sabre/DAV/Tree/Filesystem.php
index 2e478b306..a477725a5 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Tree/Filesystem.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Tree/Filesystem.php
@@ -15,7 +15,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Filesystem extends DAV\Tree {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/URLUtil.php b/vendor/sabre/dav/lib/Sabre/DAV/URLUtil.php
index 1ab874077..b7254e9a1 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/URLUtil.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/URLUtil.php
@@ -19,7 +19,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class URLUtil {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/UUIDUtil.php b/vendor/sabre/dav/lib/Sabre/DAV/UUIDUtil.php
index f20e1cba0..6a904a7bc 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/UUIDUtil.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/UUIDUtil.php
@@ -11,7 +11,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class UUIDUtil {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/Version.php b/vendor/sabre/dav/lib/Sabre/DAV/Version.php
index c15de9de9..afe603c3c 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/Version.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/Version.php
@@ -7,14 +7,14 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Version {
 
     /**
      * Full version number
      */
-    const VERSION = '1.8.9';
+    const VERSION = '1.8.10';
 
     /**
      * Stability : alpha, beta, stable
diff --git a/vendor/sabre/dav/lib/Sabre/DAV/XMLUtil.php b/vendor/sabre/dav/lib/Sabre/DAV/XMLUtil.php
index 046a59162..2bf81b3b8 100644
--- a/vendor/sabre/dav/lib/Sabre/DAV/XMLUtil.php
+++ b/vendor/sabre/dav/lib/Sabre/DAV/XMLUtil.php
@@ -7,7 +7,7 @@ namespace Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class XMLUtil {
 
@@ -134,7 +134,7 @@ class XMLUtil {
 
         // Restoring old mechanism for error handling
         if ($oldErrorSetting===false) libxml_use_internal_errors(false);
-        if ($oldEntityLoaderSetting===false) libxml_disable_entity_loader(true);
+        if ($oldEntityLoaderSetting===false) libxml_disable_entity_loader(false);
 
         return $dom;
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/AbstractPrincipalCollection.php b/vendor/sabre/dav/lib/Sabre/DAVACL/AbstractPrincipalCollection.php
index a0bd88b1e..a116236f3 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/AbstractPrincipalCollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/AbstractPrincipalCollection.php
@@ -13,7 +13,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractPrincipalCollection extends DAV\Collection implements IPrincipalCollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/AceConflict.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/AceConflict.php
index 17cf31300..6ee9afd73 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/AceConflict.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/AceConflict.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AceConflict extends DAV\Exception\Conflict {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NeedPrivileges.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NeedPrivileges.php
index 443215f00..f7e435883 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NeedPrivileges.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NeedPrivileges.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NeedPrivileges extends DAV\Exception\Forbidden {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NoAbstract.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NoAbstract.php
index 98aed0878..ba6f76cdb 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NoAbstract.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NoAbstract.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NoAbstract extends DAV\Exception\PreconditionFailed {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotRecognizedPrincipal.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotRecognizedPrincipal.php
index 4cb560004..f61edef07 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotRecognizedPrincipal.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotRecognizedPrincipal.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NotRecognizedPrincipal extends DAV\Exception\PreconditionFailed {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotSupportedPrivilege.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotSupportedPrivilege.php
index a2fbfd352..6d30698cd 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotSupportedPrivilege.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Exception/NotSupportedPrivilege.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class NotSupportedPrivilege extends DAV\Exception\PreconditionFailed {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/IACL.php b/vendor/sabre/dav/lib/Sabre/DAVACL/IACL.php
index 87d0565d6..088ca3eec 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/IACL.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/IACL.php
@@ -10,7 +10,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IACL extends DAV\INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipal.php b/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipal.php
index 7ebb9518f..d88a0289b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipal.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipal.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IPrincipal extends DAV\INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipalCollection.php b/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipalCollection.php
index 655f9ba6d..2c097f9d7 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipalCollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/IPrincipalCollection.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface IPrincipalCollection extends DAV\INode {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Plugin.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Plugin.php
index 558d1c5ac..f9bf4bb44 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Plugin.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Plugin.php
@@ -15,7 +15,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Plugin extends DAV\ServerPlugin {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Principal.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Principal.php
index 549d6397b..89277f850 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Principal.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Principal.php
@@ -17,7 +17,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Principal extends DAV\Node implements IPrincipal, DAV\IProperties, IACL {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/AbstractBackend.php b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/AbstractBackend.php
index 0336a3d17..984f9ad82 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/AbstractBackend.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/AbstractBackend.php
@@ -11,7 +11,7 @@ namespace Sabre\DAVACL\PrincipalBackend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractBackend implements BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/BackendInterface.php b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/BackendInterface.php
index 8ff2fca39..d0416ac9c 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/BackendInterface.php
@@ -11,7 +11,7 @@ namespace Sabre\DAVACL\PrincipalBackend;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 interface BackendInterface {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/PDO.php b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/PDO.php
index 5fb3d56da..0921768c3 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/PDO.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalBackend/PDO.php
@@ -14,7 +14,7 @@ use Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PDO extends AbstractBackend {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalCollection.php b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalCollection.php
index 8caa65a08..3aadf399d 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalCollection.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/PrincipalCollection.php
@@ -10,7 +10,7 @@ namespace Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class PrincipalCollection extends AbstractPrincipalCollection {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Acl.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Acl.php
index d0bf6b763..e6a70ce91 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Acl.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Acl.php
@@ -9,7 +9,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Acl extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/AclRestrictions.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/AclRestrictions.php
index 47e2ef732..aa6fd17d6 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/AclRestrictions.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/AclRestrictions.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AclRestrictions extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/CurrentUserPrivilegeSet.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/CurrentUserPrivilegeSet.php
index c6d946bc6..e0501dbd6 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/CurrentUserPrivilegeSet.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/CurrentUserPrivilegeSet.php
@@ -12,7 +12,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class CurrentUserPrivilegeSet extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Principal.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Principal.php
index 5a32c0942..6c644b024 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Principal.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/Principal.php
@@ -11,7 +11,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Principal extends DAV\Property implements DAV\Property\IHref {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/SupportedPrivilegeSet.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/SupportedPrivilegeSet.php
index 19a121058..5f152d9e5 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Property/SupportedPrivilegeSet.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Property/SupportedPrivilegeSet.php
@@ -16,7 +16,7 @@ use Sabre\DAV;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class SupportedPrivilegeSet extends DAV\Property {
 
diff --git a/vendor/sabre/dav/lib/Sabre/DAVACL/Version.php b/vendor/sabre/dav/lib/Sabre/DAVACL/Version.php
index 6782544e6..344e22d7b 100644
--- a/vendor/sabre/dav/lib/Sabre/DAVACL/Version.php
+++ b/vendor/sabre/dav/lib/Sabre/DAVACL/Version.php
@@ -7,7 +7,7 @@ namespace Sabre\DAVACL;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Version {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/AWSAuth.php b/vendor/sabre/dav/lib/Sabre/HTTP/AWSAuth.php
index 018412517..603470fb4 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/AWSAuth.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/AWSAuth.php
@@ -9,7 +9,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class AWSAuth extends AbstractAuth {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/AbstractAuth.php b/vendor/sabre/dav/lib/Sabre/HTTP/AbstractAuth.php
index a00772966..1ddf412b7 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/AbstractAuth.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/AbstractAuth.php
@@ -9,7 +9,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 abstract class AbstractAuth {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/BasicAuth.php b/vendor/sabre/dav/lib/Sabre/HTTP/BasicAuth.php
index 179c01dea..659964faa 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/BasicAuth.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/BasicAuth.php
@@ -9,7 +9,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class BasicAuth extends AbstractAuth {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php b/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php
index bac8cc8da..aae6d84d6 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php
@@ -23,7 +23,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class DigestAuth extends AbstractAuth {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/Request.php b/vendor/sabre/dav/lib/Sabre/HTTP/Request.php
index 53daf7182..a71a52b42 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/Request.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/Request.php
@@ -14,7 +14,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Request {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/Response.php b/vendor/sabre/dav/lib/Sabre/HTTP/Response.php
index df692a7a6..a7fc0da12 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/Response.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/Response.php
@@ -9,7 +9,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Response {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/Util.php b/vendor/sabre/dav/lib/Sabre/HTTP/Util.php
index e16a0ad37..147246253 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/Util.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/Util.php
@@ -8,7 +8,7 @@ namespace Sabre\HTTP;
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
  * @author Paul Voegler
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Util {
 
diff --git a/vendor/sabre/dav/lib/Sabre/HTTP/Version.php b/vendor/sabre/dav/lib/Sabre/HTTP/Version.php
index 8ca171289..0e913835c 100644
--- a/vendor/sabre/dav/lib/Sabre/HTTP/Version.php
+++ b/vendor/sabre/dav/lib/Sabre/HTTP/Version.php
@@ -7,7 +7,7 @@ namespace Sabre\HTTP;
  *
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 class Version {
 
diff --git a/vendor/sabre/dav/lib/Sabre/autoload.php b/vendor/sabre/dav/lib/Sabre/autoload.php
index 2de197c9c..c5945ee1d 100644
--- a/vendor/sabre/dav/lib/Sabre/autoload.php
+++ b/vendor/sabre/dav/lib/Sabre/autoload.php
@@ -12,7 +12,7 @@
  * @deprecated Will be removed in a future version!
  * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
  * @author Evert Pot (http://evertpot.com/)
- * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ * @license http://sabre.io/license/ Modified BSD License
  */
 
 /**