message: Re-group Button member fields
diff: @@ -65,10 +65,8 @@ private:
  State mState = State::Normal; /**< Current state of the Button. */
  Type mType = Type::BUTTON_NORMAL; /**< Modifies Button behavior. */
  - const NAS2D::Image* mImage = nullptr; /**< Image to draw centered on the Button. */
  -
  ButtonSkin mButtonSkin;
  -
  + const NAS2D::Image* mImage = nullptr; /**< Image to draw centered on the Button. */
  const NAS2D::Font* mFont = nullptr; /**< Buttons can have different font sizes. */
  ClickSignal mSignal; /**< Object to notify when the Button is activated. */
  