Added health to the dummy ship and let them show up on the screen in numerical value. Update handles whether hp is 0 or below it. It will call out if the ship has reached 0 hp.
Merge branch 'ProjectileCollision' of https://github.com/gametechnology/psi-2013 into ProjectileCollision

Conflicts:
	source/Game/DummyShip.h
Added health reduction to the collision.
Merge branch 'ProjectileCollision' of https://github.com/gametechnology/psi-2013 into ProjectileCollision

Conflicts:
	source/Game/CollisionTestScene.cpp
	source/Game/DummyShip.cpp
Finished DummyShip health updates. Below zero handling, and it will cout when the health has reached 0.
Merge branch 'ProjectileCollision' of https://github.com/gametechnology/psi-2013 into ProjectileCollision

Conflicts:
	source/Game/EnemyFighter.cpp
DummyShip health is converted to the health variable that Enemy provides and everything is adjusted to show that. Lasers will do their damage onto the dummyship.