Fixed an error
Merge remote-tracking branch 'slipson/master'

and has improved movement. Test to come later
background image added to UI
Merge remote-tracking branch 'aschin/master'
after pull from Adam 4/8/13
fix classpath/package names
Merge remote-tracking branch 'slipson/master'

Conflicts:
	ZombieProjectModelClasses/src/zombieProject/shared/Game.java
	ZombieProjectModelClasses/src/zombieProject/shared/Zombie.java
	ZombieProjectWebApp/src/zombieProject/client/GameView.java
	ZombieProjectWebApp/src/zombieProject/client/ZombieProjectWebApp.java