Introduce Mobile-First layout

It's kind of a nice layout! I mean, look how cute it is!

![screen shot 2014-08-14 at 2 29 42 pm](https://cloud.githubusercontent.com/assets/50284/3927342/38881e22-23fa-11e4-9afa-9f5c53109d8c.png)

Vs: 

![screen shot 2014-08-14 at 2 29 56 pm](https://cloud.githubusercontent.com/assets/50284/3927346/3ec37aac-23fa-11e4-97b2-59007c156ff8.png)

Fixes #7