#49 Frontend rendering

* adds rendering for detail view
* adds new includable html snippet for parcel rendering
* refactors generic includables in konova/ app into konova/templates/includes/...
* fixes bug where parcels have been reused from the database due to wrong model structure
* adds get_underlying_parcels() for Geometry model
* adds get_underlying_parcels() for GeoReferencedMixin models
* fixes bug where missing geometry would lead to an error during geometry conflict check
* removes unused wfs attribute from AbstractWFSFetcher
* adds/updates translations

compensation/models/compensation.py

@@ -170,7 +170,7 @@ class AbstractCompensation(BaseObject, GeoReferencedMixin):
         """
         if not self.is_shared_with(request.user):
             messages.info(request, DATA_UNSHARED_EXPLANATION)
-        request = self._set_geometry_conflict_message(request)
+        request = self.set_geometry_conflict_message(request)
         return request