Update website theme

Key features:

 - Lighter website theme, built with Bootstrap. 
 - Includes quickstart guide, support page.
 - Includes new logo

Home page:

![image](https://f.cloud.github.com/assets/12306/1643299/f65db070-58c0-11e3-8860-f1312813e920.png)

Quickstart guide: 

![image](https://f.cloud.github.com/assets/12306/1643300/034f750c-58c1-11e3-99e4-e613ae4f09e1.png)

Ignore the mucked up table in the middle, it's since been fixed: 

![image](https://f.cloud.github.com/assets/12306/1643307/37fa0c9a-58c1-11e3-9416-bdb45fc7500b.png)