bugfix: username was not written to database

input/views.py

@@ -204,7 +204,7 @@ class ExternView(CookieWizardView):
         # we have to copy the data from the first form here
         # this is a bit ugly code. can we copy this without explicit writing?
         modell.realname = data['realname']
-        # form.username = data['username']
+        modell.username = data['username']
         modell.email = data['email']
         # write type of form in some cases
         if data['choice'] in ('BIB', 'ELIT', 'SOFT'):