-Removed self coded Tile Classes
	*The Engine will be using the TMX TileMap Format because of implementation in libgdx
-Removed ArtemisWrapper class
	*Generic Wrapper can't be used because of difficult access to the Artemis Aspect.class
	*Each libgdx Class needs an own Wrapper/Adapter class
+Added MainMenuScreen
+Added Camera
+Added Sprite Batch
+Added TileMapRenderSystem (Still needs implementation)