This is unused legacy code. Let it die with ~~~honor~~ fire.

Fixes https://github.com/owncloud/core/issues/12346

Fixes https://github.com/owncloud/core/issues/12347

This reverts commit 09fd34ee.

The result of the listener should then be empty and can be removed

add postfix

This lead to a lot of confusion in the past and did not really offer any value. Let's remove the port check therefore. (it's anyways not really a part of the domain)

Fixes https://github.com/owncloud/core/issues/12150 and https://github.com/owncloud/core/issues/12123 and also a problem reported by @DeepDiver1975.

Conflicts:
	lib/private/request.php

THX @schiesbn
(I should setup a mail server on my local system...)

This patch wil warn the user of the consequences when resetting the password and requires checking a checkbox (as we had in the past) to reset a password.

Furthermore I updated the code to use our new classes and added some unit tests for it 

Fixes https://github.com/owncloud/core/issues/11438

Fixes https://github.com/owncloud/core/issues/12188 for AppFramework apps

See https://github.com/owncloud/core/pull/12175#issuecomment-63054620

this test would never succeed, because the previous test -
testFOpen() - creates the file 'foo', but testTouchCreateFile()
starts out by asserting it doesn't exist. Change the test to
use a file called 'touch' instead (which does not previously
exist).