* added FormResponseServlet for testing reasons
integrated ModelProcessor into XFormsFilter; basic ModelProcessor getting validation from Modelitems; test form (must set meta content-type)
Merge remote-tracking branch 'origin/feature/fore' into feature/fore
Merge remote-tracking branch 'origin/feature/fore' into feature/fore
integrated ModelProcessor into XFormsFilter; basic ModelProcessor getting validation from Modelitems; test form (must set meta content-type)