added NOT choice, 'nicht stattgefunden', to project status button

input/models.py

@@ -83,7 +83,7 @@ class Project(Volunteer):
     # the following Fields are not supposed to be edited by users
     pid = models.CharField(max_length=15, null=True, blank=True)
     end_mail_send = models.BooleanField(null=True)
-    status = models.CharField(max_length=3,choices=(('RUN', 'läuft'),('END','beendet')),default='RUN')
+    status = models.CharField(max_length=3,choices=(('RUN', 'läuft'),('END','beendet'),('NOT','nicht stattgefunden')),default='RUN')
     persons = models.IntegerField(default=1)
     finance_id = models.CharField(max_length=15, null= True, blank=True)
     project_of_year = models.IntegerField(default=0)