Remove dark flavor of Ballard theme and apply HUJI changes.

#42 

Removed the dark flavor of the Ballard theme and the watermark in the background.
Also the menu background has a lighter grey background.

Output:
![selection_841](https://cloud.githubusercontent.com/assets/4497748/4199140/7d1db242-3802-11e4-882e-09dd2df48f06.png)