gc-128 Create action added to APIv2:ArticlesController - probably not final yet.
GC-128 Logik von Helper in Controller verschoben, kleinere Verbesserungen
GC-128 Parameter-Übergabe verbessert
Merge pull request #15 in GC/basis-modul from gc-128 to master

* commit '68097d96b7b51437ff43d6c1b298b32fe2aa490f':
  GC-128 Parameter-Übergabe verbessert
  GC-128 Logik von Helper in Controller verschoben, kleinere Verbesserungen
  gc-128 Create action added to APIv2:ArticlesController - probably not final yet.