Issue 26: change specifications of the game
Project Member Reported by hussain.mutawa, Sep 19, 2011

this method is called by game id instead of passing game object
	/**
	 * removes a game for the lobby
	 * @param game
	 * @return 
	 * @throws Exception if the game status is STARTED
	 */
	boolean removeGame(String gameId) throws Exception;