Add links to terms and privacy policy to footer

https://trello.com/c/kvHopRjz

----------------

Desktop Screenshot:
![screen shot 2014-08-16 at 3 29 27 pm](https://cloud.githubusercontent.com/assets/1174461/3943273/f056c738-2594-11e4-901b-e894e184bec6.png)

Mobile Screenshot:
![screen shot 2014-08-16 at 3 30 01 pm](https://cloud.githubusercontent.com/assets/1174461/3943274/f8588804-2594-11e4-9c9e-02548e98aac1.png)
Good call, updated in 8b2fe93