code: protected ComponentFeedbackPanel newComponentFeedbackPanel(final String id,
  		final Component filter)
  	{
  		return ComponentFactory.newComponentFeedbackPanel(id, filter);
  	}
docs: Factory method for creating the new {@link ComponentFeedbackPanel}. This method is invoked in
  the constructor from the derived classes and can be overridden so users can provide their own
  version of a new {@link ComponentFeedbackPanel}.
  
  @param id
  the id
  @param filter
  the filter
  @return the new {@link ComponentFeedbackPanel}