Switch to side-by-side view

--- a/Allura/allura/app.py
+++ b/Allura/allura/app.py
@@ -339,5 +339,5 @@
         redirect('permissions')
 
 @event_handler('project_updated')
-def subscribe_admins():
+def subscribe_admins(topic):
     c.app.subscribe_admins()