Uniform resource not found error

Fix #1268

Now those links below shall show the same error message `Error: Failed to process request.`
[http://localhost:3000/editor/achievement/meh](http://localhost:3000/editor/achievement/meh)
[http://localhost:3000/editor/article/meh](http://localhost:3000/editor/article/meh)
[http://localhost:3000/editor/level/meh](http://localhost:3000/editor/level/meh)
[http://localhost:3000/editor/thang/meh](http://localhost:3000/editor/thang/meh)

![screen shot 2014-07-08 at 12 51 26 am](https://cloud.githubusercontent.com/assets/2450760/3498618/283ecd3e-05f7-11e4-875a-5303c021136f.png)