Suggested by mnestis on Transifex.

Add switch to enforce SSL for subdomains

Add unit tests

Add test for boolean values

Camel-case

Fix ugly JS

- Do not store the password (fixes https://github.com/owncloud/core/issues/11385)
- Refactor to AppFramework
- Add unit tests

Conflicts:
	settings/admin/controller.php

- Added setup checks in JavaScript
- Moved isWebDAVWorking to JS using SetupChecks
- Moved internet connection checks to an ajax call that goes through the
  server

date printed in the admin section regarding last execution time is already displayed in the users timezone - no need to append UTC

Revert

Add disabled

If the current webroot is non-empty but the webroot from the config is,
and system cron is used, the URL generator fails to build valid URLs.
So we notify the admin to set it up correctly.

Fix #9995

ref #8906

Revert "make reshare settings foldable"

This reverts commit c01f196f.

Conflicts:
	settings/templates/admin.php