add getGameId() and $ (jQuery) to the Admin object

js/pacosako_ui.js

@@ -1201,16 +1201,18 @@ $(function (){
 
    /* Low-level commands to be run from the JS console */
    window.Admin = {
-      getCurrentGame: function() { return currentGame; },
-      getVisibleGame: function() { return visibleGame; },
+      getGameId() { return $('#cb_board').data('gameId'); },
+      getCurrentGame() { return currentGame; },
+      getVisibleGame() { return visibleGame; },
       setCurrentGame,
       setVisibleGame,
-      refresh: function() { setCurrentGame(currentGame); },
+      refresh() { setCurrentGame(currentGame); },
       renderBoard,
       putState,
       putMeta,
       PS,
       IO,
+      $,
    };
 
    /*