message: Remove explicit default construction of base object
  This happens by default anyway.
diff: @@ -25,7 +25,7 @@ static Font* SLD_FONT = nullptr;
  /**
  * C'tor
  */
  -Slider::Slider() : Control()
  +Slider::Slider()
  {
  SLD_FONT = Utility<FontManager>::get().font(constants::FONT_PRIMARY, constants::FONT_PRIMARY_NORMAL);
  Utility<EventHandler>::get().mouseButtonDown().connect(this, &Slider::onMouseDown);
  