[VECGEOM-293]; Orb Ported to new Scheme (vecCore + newHelpers).
[VECGEOM-293]; First Raw version of Refactored ORB to follow the new scheme (VecCore + new Helpers). Passes Benchmark, Unit test and ShapeTester.
[VECGEOM-293]; Code cleanup and clang-formatting done.
[VECGEOM-293]; Minor change in comments.
[VECGEOM-293]; Applied clang-format-and-fix-macros.sh to the modified files for Orb.