hdf5

Merge pull request #19 in ~VCHOI/my_third_fork from develop to bugfix/HDFFV-10585-investigate-slowness-of-regular

* commit '2456a36f46a15ca44840cb64c7aac213f0ca8bf8': (53 commits)
  Fixed some exit calls.
  Reworked the previously refactorred code.
  Improvement of test code
  Fix CMake build of test needing compression libs
  Fixed error code and error messages Tested on Jelly (very minor)
  Changed H5VL_NATIVE_DATASET_GET_CHUNK_INFO_BY_COOR to H5VL_NATIVE_DATASET_GET_CHUNK_INFO_BY_COORD per a review comment.
  Add comment to add tests later to verify conflicting values for MPI-specific properties on multiple opens.
  Updated comments
  Updated based on reviews and refactored test code
  Move ext_path field in H5F_t to H5F_shared_t. Remove unused routine H5F_set_coll_md_read().
  Move coll_md_read and coll_md_write fields in H5F_t to H5F_shared_t.
  Fix namespace usage
  Fix EXISTS test syntax
  Update settings
  Add 32-bit cross-compile toolchain
  Code cleanup and refactor
  Re-ordered items w.r.t. date.
  Whitespace and HD prefix changes
  Fixed typo
  Added notes about HDFFV-10677 and HDFFV-10661
  ...