message: Mark methods with override in SplashState
diff: @@ -14,12 +14,12 @@ class SplashState : public NAS2D::State
  {
  public:
  SplashState();
  - virtual ~SplashState();
  + ~SplashState() override;
  protected:
  - void initialize();
  - NAS2D::State* update();
  + void initialize() override;
  + NAS2D::State* update() override;
  private:
  void onKeyDown(NAS2D::EventHandler::KeyCode key, NAS2D::EventHandler::KeyModifier mod, bool repeat);
  