The Particle system works now!
The cat got a bloody trail now for testing purposes.
Merge branch 'master' of https://github.com/Lusito/GameDevWeek.git

Conflicts:
	gdx-kitten-rescue/src/main/java/de/hochschuletrier/gdw/ss14/ecs/EntityFactory.java
	gdx-kitten-rescue/src/main/java/de/hochschuletrier/gdw/ss14/ecs/systems/RenderSystem.java
Particle lifetime rasied to 10.0f
Merge branch 'sound'