Finished player projectiles
	--Player can now shoot projectiles
	--Projectiles are destroyed upon collisions
	--Mobs can now lose health
		--TODO: Make this actually do something
 Changes to be committed:
	modified:   com/reapersrage/entities/mobs/Ghost.java
	modified:   com/reapersrage/entities/mobs/Mob.java
	modified:   com/reapersrage/entities/mobs/Player.java
	modified:   com/reapersrage/entities/projectiles/Projectile.java