Vertically align public layout to better fit small mobile screens

rename URL-fields to Host for SFTP/FTP and SMB external Storage backends

Small cleanup and language detection for apps

fix typo encryption

Added ground work for OC.Share unit tests

Sharing ux improvements

fix oc dialog because the body isn't 100% x 100% in dimensions anymore

avoid row resize on filename edit

Sets row height to avoid resize when name is edited

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

We do not support updates from 4.5 > 7.0 or even 3.0 > 7.0

PHPDoc Improvements

Add tests for other types that PHP might cast

Addition to https://github.com/owncloud/core/pull/8572

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

Some things my IDE complained about while creating a custom backend.

Fix PHPDoc and typos

Some things my IDE complained about while creating a custom backend.

Conflicts:
	lib/private/group/database.php
	lib/private/group/dummy.php
	lib/private/group/example.php

Sets height to form to avoid resizing when filename link is not shown