* test case added to avoid adding them later

Fix #4823

use fetch method instead of fetchRow because fetchRow is only an owncloud internal alias that exists purely for compability

provide a way to detect the language that is being used (e.g. for clientside javascript language selection

Fixed:
- An error with a misplaced bracket in lib/private/util.php
- An error with an incorrect function being called in lib/public/contacts.php

remove methodannotationreader namespace

fix namespace for server container

fix tests

fail if with cors credentials header is set to true, implement a reusable preflighted cors method in the controller baseclass, make corsmiddleware private and register it for every request

remove uneeded  local in cors middleware registratio

dont uppercase cors to easily use it from routes

fix indention

comment fixes

explicitely set allow credentials header to false

dont depend on better controllers PR, fix that stuff later

split cors methods to be in a seperate controller for exposing apis

remove protected definitions from apicontroller since controller has it

- inject logger class into log
- adding PHPDoc comments and fixing typos

- Reuse these methods on determineIcon()
- Generate permission string for the desktop client
- expose {http://owncloud.org/ns}permissions as additional WebDAV property containing the permission string

using scrutinizer patch

register middleware as string to not force request to be instantiated too early and thus not having url parameters

to a "constants" class