Update Collegiate theme and remove blue flavor.

#44 

Removed the blue flavor and changed the menu background to a lighter grey.

Before:
![selection_839](https://cloud.githubusercontent.com/assets/4497748/4198950/f68b3b84-37ff-11e4-8fbb-fb257cca03b3.png)

After:
![selection_838](https://cloud.githubusercontent.com/assets/4497748/4198952/fd42a7b4-37ff-11e4-9552-83c63eb0ff92.png)