hdf5_ep

Merge pull request #807 in HDFFV/hdf5 from ~BRTNFLD/hdf5_msb:noF77 to develop

* commit 'fbe6c69097c03cfe3f37d9ab114c0ad438fd434e': (37 commits)
  removed duplicate exports of DS subroutines
  removed duplicate exports of DS subroutines
  clean-up
  moved dll export to Module
  removed parameters
  added missing parameter
  added missing parameter
  removed duplicate exports of DS subroutines
  removed fortran comments
  exported global variables for windows
  export var.
  initialized integer constants
  Update macros
  Changed casts to const void *
  Casted pointers to void to quiet warnings on Linux.
  Added CHECK_PTR_EQ macro to testhdf5 to quiet cast warnings on Windows.
  Fixed misc Warnings flagged by VS2017.
  Made a dcpl layout struct in H5Z.c dynamic to quiet a stack size warning.
  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
  ...