Added some gamepad functionality. Only tested on MAC with my usb snes
gamepad. has some hard coded values.
GamePad is looking decent. Tried to cleanup some things, added comments.
change default player 2 to use keyboard until someone else tries the
gamepad stuff
GamePad Enabled! And some cleanup and transparency now being set
correctly (again?)

Merge remote-tracking branch 'origin/input2'

Conflicts:
	src/smw/Game.java
	src/smw/entity/Player.java