HyperKitty: allow easy templates customization

roles/mailman/tasks/main.yml

@@ -299,6 +299,11 @@
         state=directory owner=root group=root mode=0755
   tags: mailman
 
+- name: create the hyperkitty templates override dir
+  file: path="{{ mailman_webui_basedir }}/templates"
+        state=directory owner=root group=root mode=0755
+  tags: mailman
+
 #
 # Plug HyperKitty into Mailman
 #

roles/mailman/templates/settings.py.j2

@@ -186,6 +186,7 @@ TEMPLATE_DIRS = (
     # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
     # Always use forward slashes, even on Windows.
     # Don't forget to use absolute paths, not relative paths.
+    '{{ mailman_webui_basedir }}/templates',
 )
 
 # Django 1.6+ defaults to a JSON serializer, but it won't work with django-openid, see