Translated some of the new phrases for MODX 2.3.0 to German. Parts of topmenu.inc.php still have to be translated (will be done next week).

Signed-off-by: Jan-Christoph Ihrens <ihrens@cc-services.de>
Translated the rest of the new phrases of MODX 2.3.0-dev to German

Signed-off-by: Jan-Christoph Ihrens <ihrens@cc-services.de>
Update German lexicon topics

Merge remote-tracking branch 'origin/pr/694' into develop

* origin/pr/694:
  Translated the rest of the new phrases of MODX 2.3.0-dev to German
  Translated some of the new phrases for MODX 2.3.0 to German. Parts of topmenu.inc.php still have to be translated (will be done next week).