Feature/bootstrap 3

Updates scylla to bootstrap 3, and includes some general UI and UX improvements. Includes snapshot thumbnail fix.

Look at this though. It's gorge:

**old**

![screen shot 2014-08-29 at 9 23 19 am](https://cloud.githubusercontent.com/assets/2860813/4095994/dc97a344-2fbb-11e4-91af-61aad5ad7784.png)

**new**
![screen shot 2014-08-29 at 1 33 43 pm](https://cloud.githubusercontent.com/assets/2860813/4095997/e43f9a34-2fbb-11e4-8e86-d0f89b75891c.png)

just delete this!