Lots of work on getting a second weapon to fire projectiles. 

Pressing "X" switches back and forth between my weapon and the rainbow
ball.
Secondary Weapon rotation for aiming works
Total of 3 secondary weapons working.

Press the X button to cycle through weapons.
Final commit. Uses Escape key to cycle through weapons
Merge branch 'weapons' of https://github.com/ProfAmesBC/Game2013.git
into weapons

Conflicts:
	src/weapons/PopulateWeapons.java