- add getFilterIterator to FilterPostProcessor

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7695 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/post/FilterPostProcessor.java

@@ -127,6 +127,10 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
         filter.cleanup(renderer);
         updateLastFilterIndex();
     }
+    
+    public Iterator<Filter> getFilterIterator(){
+        return filters.iterator();
+    }
 
     public void initialize(RenderManager rm, ViewPort vp) {
         renderManager = rm;