public List<FbxNode> getChildren() { 
        return children;
    }
Create jME3 Skeleton objects on the scene. 

Goes through the scene graph and finds limbs that are 
attached to FBX nodes, then creates a Skeleton on the node
based on the child limbs.

Must be called prior to calling 
{@link #createScene(com.jme3.scene.plugins.fbx.node.FbxNode)}.

@param fbxNode The root FBX node.
jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/node/FbxNode.java