First pass at action bar styling.

![image](https://f.cloud.github.com/assets/326857/1460702/d3f866d6-4463-11e3-95b2-c66ca98929c5.png)

![image](https://f.cloud.github.com/assets/326857/1460705/318ad0d6-4464-11e3-89f4-03dd628fd2a8.png)