hdf5

Merge pull request #799 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:vol_integration to vol_integration

* commit '23f906338f21d61dc17591041c2d135209b0b9d1': (277 commits)
  Made a dcpl layout struct in H5Z.c dynamic to quiet a stack size warning.
  Brought over much H5VL and H5T internal code.
  Fixed an uninitialized filter callback struct in H5Dchunk.c and unified the naming and initialization of said struct throughout the library. This was causing a crash on VS2015 in debug mode when the debug heap complained. Fixes HDFFV-10330.
  Fixed Windows code in H5PLpath.c
  Added helper function H5VL_native_get_file()
  Tidying of a function
  Added H5Pset_fapl_native() and updated the vol.c test.
  Switched disabled registration test back on.
  Switched on native VOL initialization
  Whitespace and comment fixes
  Moved some file close and H5VL internal stuff over from the vol branch.
  Minor whitespace tweaks to bring in line with develop.
  Brings H5Z and H5PL packages in sync with VOL integration branch.
  HDFFV-10328 - fix typos
  HDFFV-10328 remove allocation note
  HDFFV-10328 - remove allocation changes
  Moved some typedefs up to avoid circular dependencies.
  Yanked unused cache image code that was missed in a merge from develop.
  Fixed a missing H5I_VOL case that raised a warning.
  Fix typo
  ...