code: public JMenuItem createMenuItem(String faceDescriptorId, MenuFactory menuFactory,
  			CommandButtonConfigurer buttonConfigurer) {
  		JMenuItem menuItem = menuFactory.createMenuItem();
  		attach(menuItem, faceDescriptorId, buttonConfigurer);
  		return menuItem;
  	}
docs: Create a menuItem using the provided id, factory and configurer.
  
  @param faceDescriptorId id of the faceDescriptor used to configure the
  button.
  @param menuFactory factory that delivers the menuItem.
  @param buttonConfigurer configurer mapping the faceDescriptor on the
  button.
  @return a menuItem attached to this command.