translation update
DE translation for keys: update_name, update_mail
Move language string to authad plugin
added missing language strings
fix ids in de lang of authAD
Revert "German language update"This reverts commit ba09710ad34bb383ae3526e84490a3d545f78866.Conflicts: lib/plugins/authad/lang/de/settings.php
adjusted authad language files for config option change
German language update
de/de-informal: language updates for the core, authldap, authmysql, authpgsql