Switch to using Google Drive SDK, closes #2047
Setting Redirect URI is not required here
Prepare for #2013 fix
Fix constant in last commit
Include 3rdparty Google Drive SDK 0.6.2
Fix require_once for 3rdparty in google ajax frontend
Return null if file size is negative for WebDAV, fix #2013
Merge branch 'master' into googledrive
Merge branch 'master' into googledrive
Implement hasUpdated() to watch for changes on Google Drive side
substr storage id to prevent problems with storing the change id in appconfig
overwrite Sabre_DAV_ObjectTree with a faster getNodeForPath
make use of the fact that rmdir is already recursive
improved move operation for sabre's objecttree
use new ObjectTree in sabredav
improved copy operation for objecttree
update group management
use new group api as backend for the old api
cant use private members from closure in php <5.4
more consitency in hook names