#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

ema/models/ema.py

@@ -106,7 +106,7 @@ class Ema(AbstractCompensation, ShareableObjectMixin, RecordableObjectMixin):
         """
         if not self.is_shared_with(request.user):
             messages.info(request, DATA_UNSHARED_EXPLANATION)
-        self._set_geometry_conflict_message(request)
+        self.set_geometry_conflict_message(request)
         return request