message: Rename _active to mIsActive
diff: class Wrapper : public NAS2D::State
  {
  public:
  - Wrapper() : _active(false) {}
  + Wrapper() : mIsActive(false) {}
  State* _update() { return update(); }
  void _initialize() { initialize(); }
  - void deactivate() { _active = false; _deactivate(); }
  - void activate() { _active = true; _activate(); }
  - bool active() { return _active; }
  + void deactivate() { mIsActive = false; _deactivate(); }
  + void activate() { mIsActive = true; _activate(); }
  + bool active() { return mIsActive; }
  private:
  @@ -52,7 +52,7 @@ private:
  private:
  - bool _active;
  + bool mIsActive;
  };
  