Makes theme Responsive

#7 

* Responsive website to ensure it looks good on tables & phones
* Added Floating Nav

![screen shot 2014-11-22 at 4 05 44 pm](https://cloud.githubusercontent.com/assets/1861842/5153799/77db1c64-7260-11e4-9f14-85e50cfbc683.png)

![screen shot 2014-11-22 at 4 05 54 pm](https://cloud.githubusercontent.com/assets/1861842/5153800/7bd214da-7260-11e4-820d-10d8aa17c624.png)