#49 Extends sanitize db command

* extends sanitize db command to remove unrelated parcels and district from the database
* fixes bug where single parcel wfs match would lead to unexpected behaviour
* adds admin interface for parcels and districts
* adds updating of parcels in case of SimpleGeomForm saving

konova/forms.py

@@ -287,6 +287,7 @@ class SimpleGeomForm(BaseForm):
             geometry = self.instance.geometry
             geometry.geom = self.cleaned_data.get("geom", MultiPolygon(srid=DEFAULT_SRID))
             geometry.modified = action
+            geometry.update_parcels()
             geometry.save()
         except LookupError:
             # No geometry or linked instance holding a geometry exist --> create a new one!