#7 New Form

* adds NewEcoAccountForm
* refactors NewCompensationForm into AbstractCompensationForm so main fields can be reused again
* fixes template bug in account detail view where the amount of deductions has been displayed instead of the available rest
* refactors _generate_new_identifier() into generate_new_identifier()
* refactors get_available_rest() into returning both, the total and relative amount
* improves saving of SimpleGeometryForm()
* adds/updates translations

ema/models.py

@@ -49,9 +49,9 @@ class Ema(AbstractCompensation):
     def save(self, *args, **kwargs):
         if self.identifier is None or len(self.identifier) == 0:
             # Create new identifier
-            new_id = self._generate_new_identifier()
+            new_id = self.generate_new_identifier()
             while Ema.objects.filter(identifier=new_id).exists():
-                new_id = self._generate_new_identifier()
+                new_id = self.generate_new_identifier()
             self.identifier = new_id
         super().save(*args, **kwargs)