BU-CS673/bubolo — pull request #12 by ChristopherCanfield (2014-02-10 08:49:29+00:00)
Title: Graphics - Many graphics system updates; added libgdx libraries; added temp tank texture

- Added libgdx libraries
- Added temporary tank.png texture file
- Implemented Sprite public abstract class and TankSprite package-private concrete class
- Added static methods for converting between world and camera coordinates
- Added many tests