message: Use relative paths internally
diff: #include <cuda_runtime.h>
  #include <vector_functions.h>
  -#include <visionaray/detail/macros.h>
  -#include <visionaray/math/norm.h>
  -#include <visionaray/math/vector.h>
  +#include "../detail/macros.h"
  +#include "../math/norm.h"
  +#include "../math/vector.h"
  namespace visionaray
  {
  