Bug 1211: Refine NEWTDemoListener, JOGLNewtAppletBase - NEWTDemoListener.createPointerIcons(..) - Use Display instance - Simplify PointerIcon creation using a list, skipping all non-found resources. - JOGLNewtAppletBase - Bring back reparent action via key 'r' - Drop redundant PointerIcon, using NEWTDemoListener