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
Implement hasUpdated() to watch for changes on Google Drive side
substr storage id to prevent problems with storing the change id in appconfig
Fix 'most' Google Drive tests
Remove root option from Google Drive storage, because it is only used for testing and we have our own empty Google account for testing
5.0.10
Backport #3487 Basic Auth fix
proper response in case the upload fails - e.g. in case permissions on shared folders are not enough
in case the file is new isCreatable() is checked
in case the file exists isUpdatable() is checked
Merge pull request #4346 from owncloud/basic_hack_auth_backport

Basic hack auth backport
Remove noisy Log/Debug message
Merge pull request #4358 from owncloud/rm_debug_msg

Less noisy debug log
Provide a default mime-type for files created by filename.
Fixes #4355.
oc_cache needs to disable file proxys for read/write operation. Otherwise the operation will go through the encryption app which will not work.