Add horizon-contrib to installed apps
diff --git a/horizon/files/local_settings/helpdesk_settings.py b/horizon/files/local_settings/helpdesk_settings.py
index 155fdf4..cf75bc5 100644
--- a/horizon/files/local_settings/helpdesk_settings.py
+++ b/horizon/files/local_settings/helpdesk_settings.py
@@ -32,6 +32,7 @@
     {%- endif %}
     {%- endfor %}
     'helpdesk_auth',
+    'horizon_contrib',
     'redactor',
     'openstack_dashboard',
     'django.contrib.contenttypes',