It reroutes in [app.coffee](https://github.com/benjaminmueller/riverside.io/blob/ac04c22d88d0e4ecb7542e6c254345109596fb08/app.coffee#L82-83). This is useful for [rich snippets](http://support.google.com/webmasters/bin/answer.py?hl=en&answer=164506) which should be eventually setup. Ship it!