code: @Deprecated
  	void add(final WComponent component, final String tag) {
  		add(component);
  		component.setTag(tag);
  	}
docs: Adds the given component as a child of this component. The tag is used to identify the child in a velocity
  template.
  
  @param component the component to add.
  @param tag the tag used to identify the component.
  @deprecated Use {@link WTemplate} instead.