Applied abies patch so that the BatchNode.clone properly works.

see http://hub.jmonkeyengine.org/forum/topic/batchnode-broken-on-clone/#post-258248

git-svn-id: https://jmonkeyengine.googlecode.com/svn/branches/gradle-restructure@11031 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

jme3-core/src/main/java/com/jme3/scene/BatchNode.java

@@ -754,4 +754,24 @@ public class BatchNode extends Node implements Savable {
     public int getOffsetIndex(Geometry batchedGeometry) {
         return batchedGeometry.startIndex;
     }
+        
+    @Override
+    public Node clone(boolean cloneMaterials) {
+        BatchNode clone = (BatchNode)super.clone(cloneMaterials);
+        if ( batches.size() > 0) {
+            for ( Batch b : batches ) {
+                for ( int i =0; i < clone.children.size(); i++ ) {
+                    if ( clone.children.get(i).getName().equals(b.geometry.getName())) {
+                        clone.children.remove(i);
+                        break;
+                    }
+                }
+            }
+            clone.needsFullRebatch = true;
+            clone.batches.clear();
+            clone.batchesByGeom.clear();
+            clone.batch();
+        }
+        return clone;
+    }
 }