#6562 restricting AbstractEditorPresenter to events coming from the related view
ref #6169 initial Popup editor for Registrations
ref #6612 fixing problem in save operation: evict bean before merge to avoid duplicate beans in same session
ref #6612 updating UI components on modified References
making use of the new RegistationService methods
ref #6169 generic AbstractCdmEditorPresenter wihout LazyInitializationExeption problems