message: Update scene namespace PCH
diff: #include "CBillboardSceneNode.h"
  #include "CCameraSceneNode.h"
  #include "CColorConverter.h"
  -#include "CCubeSceneNode.h"
  #include "CFileList.h"
  #include "CFileSystem.h"
  #include "CFPSCounter.h"
  #include "CSkinningStateManager.h"
  #include "CSkyBoxSceneNode.h"
  #include "CSkyDomeSceneNode.h"
  -#include "CSphereSceneNode.h"
  #include "CTarReader.h"
  #include "CVideoModeList.h"
  #include "CWADReader.h"
  