Mobile nav

Desktop:
![screen shot 2014-02-13 at 3 50 33 pm](https://f.cloud.github.com/assets/583202/2164803/81d158ee-94f0-11e3-87d2-3f3f7a5bf9da.png)

Mobile (inactive):
![screen shot 2014-02-13 at 3 51 13 pm](https://f.cloud.github.com/assets/583202/2164813/a7ea9e1e-94f0-11e3-8b49-2e2db8d03ae8.png)

Mobile (active):
![screen shot 2014-02-13 at 4 12 00 pm](https://f.cloud.github.com/assets/583202/2165026/862b630a-94f3-11e3-86cf-6d949f8fff52.png)

Also removed some more old code that had been sitting around from 2.x days.