Removed RailShip.x. .getX() only
Removed unnecessary x constants
Made SHIP_WIDTH and SHIP_HEIGHT instance
Encapsulated width and height
Merge branch 'master' of https://github.com/calcdude84se/LasersInSpace--andPong

Conflicts:
	src/lisp/powerups/PongBall.java
Merge branch 'master' of https://github.com/calcdude84se/LasersInSpace--andPong