Class GameManager

	GameManager controls initialization, main game loop, oversees conditions for rendering

game.  Creates and manages game universe.

Attributes
	Environment*
		Initializes the environment. For every update of the game, it sends message to
		environment to update game universe and draw elements.

	PlayerList
		Keeps track of current players data. Uses players data to determine winner.
		Add/Delete players to environment.

	TimeLimit
		When game type is Time Limit, this specifies end time of the game

	CaptureLimit
		When game type is Capture Limit, this specifies the max # of flags captured by
		a player to win the game.

	PreviousUpdateTime
		Elapsedtime. Time that was pulled during last update.

Methods
	GameManager()
		
	Initialize()
		Create the Environment, setup the network.

	AddPlayer()
		Add player to game
	RemovePlayer()
		Remove play from game
	Start()
		Initialize a new game and begins it

	Update()
		Checks for the end game state.  Sends message to Environment to Update and Draw