Update to jquery.multiselect 1.13
Forgot the css.
Init dummy session first
Replace display name only
Update user.php

Fixes $_setupedBackends[] into self::$_setupedBackends[] so that setuped backends are REALLY remembered and not instanciated many times.
allow scanning files for multiple users
use json to encode user list
add some more error messages, in case something went wrong
some more error messages
always have a defined return value
remove deleted files when re-scanning a folder
[tx-robot] updated from transifex
Merge branch 'rescan-all' into scanfolder-remove
add missing backticks

guys, please ...
Merge pull request #3784 from owncloud/rescan-all

Give admins the ability to rescan the filesystem for multiple users at once
adding unit test for folder remove: testRemovedFolder()
Merge pull request #3788 from owncloud/more_error_messages

add some more error messages, in case something went wrong
Merge pull request #3779 from shkdee/patch-1

Update user.php
skip teardown if cache has not been set up
Merge pull request #3792 from owncloud/scanfolder-remove

remove deleted files when re-scanning a folder