Remove trailing slashes

app/assets/javascripts/user_tabs.js.coffee

@@ -122,7 +122,9 @@ class @UserTabs
   setCurrentAction: (action) ->
     # Remove possible actions from URL
     regExp = new RegExp('\/(' + @actions.join('|') + ')(\.html)?\/?$')
-    new_state = @_location.pathname.replace(regExp, '')
+    new_state = @_location.pathname
+    new_state = new_state.replace(/\/+$/, "") # remove trailing slashes
+    new_state = new_state.replace(regExp, '')
 
     # Append the new action if we're on a tab other than 'activity'
     unless action == @defaultAction