message: Add explicit `NAS2D::` prefix in GameState
diff: #include "NAS2D/Mixer/Mixer.h"
  #include "NAS2D/Renderer/Renderer.h"
  -Point_2d MOUSE_COORDS; /**< Mouse Coordinates. Used by other states/wrapers. */
  +NAS2D::Point_2d MOUSE_COORDS; /**< Mouse Coordinates. Used by other states/wrapers. */
  MainReportsUiState* MAIN_REPORTS_UI = nullptr; /**< Pointer to a MainReportsUiState. Memory is handled by GameState. */
  static MapViewState* MAP_VIEW = nullptr; /**< Pointer to a MapViewState. Memory is handled by GameState. */
  @@ -32,12 +32,12 @@ GameState::GameState()
  */
  GameState::~GameState()
  {
  - Utility<StructureManager>::get().dropAllStructures();
  + NAS2D::Utility<StructureManager>::get().dropAllStructures();
  - EventHandler& e = Utility<EventHandler>::get();
  + NAS2D::EventHandler& e = NAS2D::Utility<NAS2D::EventHandler>::get();
  e.mouseMotion().disconnect(this, &GameState::onMouseMove);
  - Utility<Renderer>::get().fadeComplete().disconnect(this, &GameState::fadeComplete);
  + NAS2D::Utility<NAS2D::Renderer>::get().fadeComplete().disconnect(this, &GameState::fadeComplete);
  MAIN_REPORTS_UI->hideReports().disconnect(this, &GameState::hideReportsUi);
  MAP_VIEW->quit().disconnect(this, &GameState::quitEvent);
  @@ -52,8 +52,8 @@ GameState::~GameState()
  delete MAIN_REPORTS_UI;
  delete MAP_VIEW;
  - Utility<Mixer>::get().removeMusicCompleteHandler(MakeDelegate(this, &GameState::musicComplete));
  - Utility<Mixer>::get().stopAllAudio();
  + NAS2D::Utility<NAS2D::Mixer>::get().removeMusicCompleteHandler(MakeDelegate(this, &GameState::musicComplete));
  + NAS2D::Utility<NAS2D::Mixer>::get().stopAllAudio();
  }
  @@ -62,7 +62,7 @@ GameState::~GameState()
  */
  void GameState::initialize()
  {
  - EventHandler& e = Utility<EventHandler>::get();
  + NAS2D::EventHandler& e = NAS2D::Utility<NAS2D::EventHandler>::get();
  e.mouseMotion().connect(this, &GameState::onMouseMove);
  MAIN_REPORTS_UI = new MainReportsUiState();
  @@ -74,9 +74,9 @@ void GameState::initialize()
  takeMeThere->connect(this, &GameState::takeMeThere);
  }
  - Utility<Mixer>::get().addMusicCompleteHandler(MakeDelegate(this, &GameState::musicComplete));
  - Utility<Renderer>::get().fadeComplete().connect(this, &GameState::fadeComplete);
  - Utility<Renderer>::get().fadeIn(constants::FADE_SPEED);
  + NAS2D::Utility<NAS2D::Mixer>::get().addMusicCompleteHandler(MakeDelegate(this, &GameState::musicComplete));
  + NAS2D::Utility<NAS2D::Renderer>::get().fadeComplete().connect(this, &GameState::fadeComplete);
  + NAS2D::Utility<NAS2D::Renderer>::get().fadeIn(constants::FADE_SPEED);
  }
  @@ -115,7 +115,7 @@ void GameState::onMouseMove(int x, int y, int /*relX*/, int /*relY*/)
  */
  void GameState::fadeComplete()
  {
  - Renderer& r = Utility<Renderer>::get();
  + NAS2D::Renderer& r = NAS2D::Utility<NAS2D::Renderer>::get();
  if (r.isFaded())
  {
  mReturnState = new MainMenuState();
  @@ -197,7 +197,7 @@ void GameState::takeMeThere(Structure* _s)
  /**
  * Update
  */
  -State* GameState::update()
  +NAS2D::State* GameState::update()
  {
  if (ACTIVE_STATE)
  {
  