6448309b0e
delegates; added isGameOver() to standardize the way that the delegates determine that the game is over (isGameOver() may need to be customized by the games, so we want the delegates to use the game's custom code when appropriate). git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@996 542714f4-19e9-0310-aa3c-eee0fc999fb1