Added a simple animator class for spriteSheets
Changed animations
Added spritesheet
new spritesheet added
Added spritesheet
Fixed Animator class to static and direction detector
Merge branch 'animation' into develop

Conflicts:
	zombie-world/src/se/glory/zombieworld/screens/GameScreen.java
Merge branch 'develop' of https://github.com/bellevik/glory into develop

Conflicts:
	zombie-world/src/se/glory/zombieworld/screens/GameScreen.java