Style polished account invoice history pages. 

![qq20140411-1 2x](https://cloud.githubusercontent.com/assets/510089/2676348/fbb6ce7a-c135-11e3-991a-2d7641279d18.png)
![qq20140411-2 2x](https://cloud.githubusercontent.com/assets/510089/2676349/fbb84c28-c135-11e3-9843-5132a8dda5a4.png)