Deploy it! It’s alive!!!

This branch successfully deploys to Heroku — it’s online at [node-dc.herokuapp.com](http://node-dc.herokuapp.com) (and eventually, if we decide it’s good enough, at our .com address.

Had to do a bunch of shuffling around to get the app to deploy — check it. 
![screen shot 2014-09-18 at 9 19 49 pm](https://cloud.githubusercontent.com/assets/125098/4329510/15dfa702-3f9b-11e4-882b-d8173e4ce355.png)