message: Get rid of VSNRAY_NOT_COPYABLE macro
  Better to use the C++11 way to mark classes non-copyable
diff: #endif
  -//-------------------------------------------------------------------------------------------------
  -// VSNRAY_NOT_COPYABLE
  -// Place in private section of class to disallow copying and assignment
  -//
  -
  -#define VSNRAY_NOT_COPYABLE(T) \
  - T(T const& rhs) = delete; \
  - T& operator=(T const& rhs) = delete;
  -
  -
  //-------------------------------------------------------------------------------------------------
  // VSNRAY_THREAD_LOCAL
  // Mark variables thread-local
  