migrate examinations to generic model (and start adding mangament)

generic/forms.py

@@ -115,9 +115,17 @@ class ExamAuthorFormMixin(ModelForm):
 
 
 class ExaminationForm(ModelForm):
+    def __init__(self, *args, **kwargs):
+        # Where is this coming from?
+        if "user" in kwargs:
+            user = kwargs.pop("user")
+
+        ModelForm.__init__(self, *args, **kwargs)
+        super(ExaminationForm, self).__init__(*args, **kwargs)
+
     class Meta:
         model = Examination
-        fields = ["examination"]
+        fields = ["examination", "modality"]
 
 
 class QuestionNoteForm(ModelForm):