Graphics: Added camera system.
Merge branch 'master' of https://github.com/Lusito/GameDevWeek.git

Conflicts:
	gdx-test/src/main/java/de/hochschuletrier/gdw/ss14/sandbox/ecs/systems/ECSystem.java
	gdx-test/src/main/java/de/hochschuletrier/gdw/ss14/sandbox/ecs/systems/PhysixRenderSystem.java
Added render implementation to CameraSystem