Added javadoc comments to Game.java. Changed Game to being an abstract class. HumansVsZombiesGame extends this class and is used as the main game type for this version.
Removed unused imports
Added a copy method to Coordinates class
Added copy method and updateJson method to Player class
Moved game logic to HumansVsZombiesGame class and began work on issue #9
Made Player a Comparable object
Fixed JSON parsing issue
Moved code from gamewebsocketendpoint to the gameserver
Added player teams
-Temporarily changed players in team from private to public. Protected wasn't working.
-Did a lot of work in HumansVsZombiesGame
	-Added in a checkdistance feature to handle the tagging. Fixed at 10 meters apart atm.
	-Added in a method to check if the game was over
	-Added in a method to calculate the distance between two players, return type meters
	-Overrided the AssignTeam method to balance out the numbers of Zombies vs Humans