Upgrade bootstrap

Hi there! I upgraded bootstrap from the RC to the final release. There were some *minor* style changes.

BEFORE
![screen shot 2013-08-29 at 11 37 23 am](https://f.cloud.github.com/assets/175515/1052253/226eede8-10da-11e3-8da1-fb7942fa3487.png)


AFTER
![screen shot 2013-08-29 at 11 38 07 am](https://f.cloud.github.com/assets/175515/1052258/2e3ebf9a-10da-11e3-88b4-3cdc247ecd0a.png)