Add webapp support
Update layout.user.php
Added suggestions from @jancborchardt in #9517
Changed to 1 line
use fileinfo object in search results
Update share.php

Added isset for error:
```
Undefined index: file_target at /var/www/owncloud/lib/private/share/share.php#1911
```
Update share.php

change isset with empty on line 1911
files: storage: rename should check parent directories of old and new files

as described by POSIX.1-2008
(see http://pubs.opengroup.org/onlinepubs/9699919799/functions/rename.html)

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
- Added test to trigger index id error
- re-enable encryption migration tests
- sqlite requires reconnect after schema changes
return relative path
mkae getRelativePath of file search results overwriteable in subclasses
Userlist: async load doesnt fill checked group/subadmin array
Strinct comparsion fix
Update info.xml
Merge pull request #9561 from libasys/patch-3

Fix Error undefined index: file_target
Merge pull request #8987 from owncloud/lastindexid-debug

[DEBUG] Test case for debugging the last index ID bug from Doctrine/MySQL
Merge pull request #9639 from owncloud/prevent-irc-trolls-fro-using-this

Add warning because there are people that enable this app because they think it's the WebDAV implementation of ownCloud
use correct IUser in interface
use UserSession service to resolve user id
make sure that 'OC_Theme' exists before checking if the method exists