Nicer looking main buttons.

New Buttons:

![screen shot 2014-04-07 at 10 46 27](https://cloud.githubusercontent.com/assets/433231/2629032/cb50f442-be31-11e3-9e8e-6dd8eb24d1c2.png)
![screen shot 2014-04-07 at 10 46 22](https://cloud.githubusercontent.com/assets/433231/2629033/cb5320a0-be31-11e3-8b16-b7001acb7843.png)
![screen shot 2014-04-07 at 10 46 14](https://cloud.githubusercontent.com/assets/433231/2629034/cb5728ee-be31-11e3-8e76-7a12471618e7.png)