Enable GitLab Pipeline Hooks.

hooker/gitlab.py

@@ -41,6 +41,14 @@ def assess_reload(request):
             return True
         else:
             return False
+    elif webhook_action == u'Pipeline Hook':
+        payload = request.get_json()
+        if payload and payload['object_attributes']['status'] == 'success':
+            logging.debug('Got successfull pipeline from gitlab with id {}'
+                          ',reload'.format(payload['object_attributes']['id']))
+            return True
+        else:
+            return False
     elif webhook_action == u'Push Hook':
         logging.debug('Got push from gitlab, reload')
         return True