Style changes to use Bootstrap.

Lays out components using Bootstrap panels, tries to remove extra classes.
Generally think this makes things a bit nicer, although changes some of the structure minorly.

![screen shot 2014-06-15 at 7 08 37 pm](https://cloud.githubusercontent.com/assets/57101/3282708/5f6f2d88-f4fb-11e3-89a4-b7742d9c1604.png)