Workin on mouse support and vectors for facing.
 Changes to be committed:
	new file:   com/reapersrage/entities/MouseProjectile.java
	modified:   com/reapersrage/entities/Player.java
	modified:   com/reapersrage/game/Game.java
	modified:   com/reapersrage/game/VectorMath.java
	modified:   com/reapersrage/input/Mouse.java
	new file:   com/reapersrage/res/textures/mouse.png