Modify zh_* language codes

disable mbstring.func_overload in setup v.3

Move config data to template

Use new autoloader class in tests

disable mbstring.func_overload

Fix 3251

Move legacy filesystem classes

Properly check file blacklist

rename isIgnoredFile to isPartialFile, remove check of blacklisted files in isPartialFile, correct usage of isPartialFile and isFileBlacklisted

Using ksort now, instead of prefilling the commonlanguages array.

fix inconsistent post parameters in change password operation

rename a file if it gets restored so that it no longer exists as a version. Otherwise it can happen that the expire() function removes all other versions so that we end up with only one version which is exactly the same as the original file

fix for tearDownFS, after filesystem::tearDown() in Util

Move autoloader to it's own class