Speed Change!
changed sprites
added block.png
Merge branch 'felix' into florianBreakout

Conflicts:
	res/block.png
	res/player.png
	src/Ball.java
merged successful
--> MenutItem.java
--> MenuState.java
Merge branch 'florianBreakout' of https://github.com/Hedog/BreakoutClone into felix