Don't rate anything if the game is not marked as rated.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@437 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/parlor/rating/server/RatingManagerDelegate.java

@@ -118,6 +118,11 @@ public abstract class RatingManagerDelegate extends GameManagerDelegate
     {
         super.gameWillStart();
 
+        // if this game is not rated, stop here
+        if (!_gmgr.getGameConfig().rated) {
+            return;
+        }
+
         // note the time at which we started
         _startStamp = (int) (System.currentTimeMillis() / 1000);
 
@@ -146,6 +151,11 @@ public abstract class RatingManagerDelegate extends GameManagerDelegate
     {
         super.gameDidEnd();
 
+        // if this game is not rated, stop here
+        if (!_gmgr.getGameConfig().rated) {
+            return;
+        }
+
         // don't update ratings if the game did not run long enough
         int gameSecs = (int) (System.currentTimeMillis()/1000 - _startStamp);
         if (gameSecs < minimumRatedDuration()) {