find users which are in the same group
fixing php 5.3 compatibility
PHP Fatal error: Can't inherit abstract function OCP\ISession::set() (previously declared abstract in OC\Session\Session)
php 5.3 compatibility for \OC\Files\Storage
php 5.3 compatibility for Test_Files_Sharing_Api
php 5.3 compatibility for \OC\AppFramework\DependencyInjection\DIContainer
due to internal implementations touch will always be successful - $mtime will be stored in the cache
from desktop client perspective it is necessary to set the mtime under every condition
don't trigger the create hooks when if the file already exists for file_put_contents
Merge pull request #5245 from owncloud/file_put_contents-no-create

don't trigger the create hooks when if the file already exists for file_put_contents
Merge pull request #5232 from owncloud/fixing-webdav-touch-master

due to internal implementations touch will always be successful - $mtime...
Merge pull request #5210 from owncloud/sharing_search_users_fix

find users which are in the same group
Merge pull request #5221 from owncloud/fixing-5217-master

fixing php 5.3 compatibility
merge master into hooks-view-same-start