Have largely merged Armor classes with prototype.  Need to implement
correct way of determining if game is won.

 On branch transitory
  Changes to be committed:
	modified:   TankWars/src/com/amphibian/environment/Environment.java
	modified:   TankWars/src/com/amphibian/player/HumanPlayer.java
	modified:   TankWars/src/com/amphibian/player/Player.java
	modified:   TankWars/src/com/amphibian/tank/Armor.java
	new file:   TankWars/src/com/amphibian/tank/DamageType.java
	modified:   TankWars/src/com/amphibian/tank/Tank.java
	new file:   TankWars/src/com/amphibian/tank/TankCondition.java
	modified:   TankWars/src/com/example/tankwars/TankWars.java