board.setViewingAs(backup.playingAs) on GameBackupList
unwraps result in /game_over handler in Game
removes User Replaced logic - the user is just logged out now
re-fetches the games when the User logs in.  this required removing
the /games promise in the User /login/success handler, so that another
server request was sent from getGames if the user had logged in since
the last promise was resolved.