BillboardControl :

- applied a patch from Abies to fix align to axis behaviour. 
http://jmonkeyengine.org/groups/graphics/forum/topic/billboard-control-having-issues-when-parent-node-is-being-rotated/#post-127586

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7505 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/scene/control/BillboardControl.java

@@ -206,7 +206,7 @@ public class BillboardControl extends AbstractControl {
         // the model space of the billboard.
         look.set(camera.getLocation()).subtractLocal(
                 spatial.getWorldTranslation());   
-        spatial.getWorldRotation().mult(look, left); // coopt left for our own
+        spatial.getParent().getWorldRotation().mult(look, left); // coopt left for our own
         // purposes.
         left.x *= 1.0f / spatial.getWorldScale().x;
         left.y *= 1.0f / spatial.getWorldScale().y;