add initial search in shared files

prelogin apps have to be loaded within setupBackend() otherwise required...

run unit tests for apps as well

manager checkPassword now returns User object, adjust internal user clas...

check only permission from link-share to decide if public upload is enabled or disabled

check if key exists before reading it

OC_VCategories => OC\Tags. Public interface and getter in server container

Make it possible to have a different color than the username for placeholder

collect coverage for all databases again - ci.owncloud.org has more RAM ...

User: move checkPassword from User to Manager to not break API

- get request from the server container
- implement registerMiddleWare()
- adding getAppName() to app container

Conflicts:
	apps/files/lib/helper.php
	apps/files_trashbin/lib/helper.php

Server folder methods

fixing typo

ensure getChildren() is called on an instance of Share_Backend_Collection

Fix the apps enabling/disabling in settings

clear permissions cache when scanning a file