Updates to EZGame to allow games to store 'user cookies'.

Then intention is that other games besides EZGame may use this as well,
so it's semi-separated, but for now it's part of EZGame.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@123 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/ezgame/data/EZGameConfig.java

@@ -24,6 +24,10 @@ public class EZGameConfig extends GameConfig
     // For now, the configData is either a classname or url.
     public String configData;
 
+    /** If non-zero, a game id used to persistently identify the game.
+     * This could be thought of as a new-style rating id. */
+    public int persistentGameId;
+
     // from abstract GameConfig
     public String getBundleName ()
     {