order council list by name

update to django3 means it doesn't default to order things were put in
the database so set an explicit order. This only seems to matter if you
do a complete rebuild.

caps/views.py

@@ -70,7 +70,7 @@ class CouncilListView(FilterView):
     template_name = 'council_list.html'
 
     def get_queryset(self):
-        return Council.objects.annotate(num_plans=Count('plandocument'))
+        return Council.objects.annotate(num_plans=Count('plandocument')).order_by('name')
 
 class SearchResultsView(HaystackSearchView):