Merge pull request #1987 in HDFFV/hdf5 from HDFFV-10539-2GB-Write-Independent to develop
* commit 'abb43d3d3ac2e802d0efbe21e028381ed99722f9':
Remove debugging logic from the new t_bigio test
Expanded t_bigio.c to include Jordan's test from HDFFV-10539
Another cleanup pass as suggested by the reviewers.
Fix some typos and remove an unused prototype from H5Sprivate.h
At the suggestion of the PR reviewers, moved the mpio_create_large_type to H5mpi.c and renamed the function appropriately. Also moved some support functions to set and get the vvalue where we transistion to using derived datatypes.
Made code review edit suggested by Jerome, plus various code updates to files that I touched to eliminate compile warnings (on my Linux box).
No functional changes, just removed some tab characters
Make the initial bug fixes to allow >2GB writes with Independent IO
