fixed simple batch node : The SimpleBatchNode must NOT sets the refresh flag on its children when it is transformed. That's the very purpose of the SimpleBatchNode

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9411 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/scene/SimpleBatchNode.java

@@ -37,7 +37,8 @@ public class SimpleBatchNode extends BatchNode {
 
     @Override
     protected void setTransformRefresh() {
-        super.setTransformRefresh();
+        refreshFlags |= RF_TRANSFORM;
+        setBoundRefresh();
         for (Batch batch : batches.getArray()) {
             batch.geometry.setTransformRefresh();
         }