* commit '54957d37f5aa73912763dbb6e308555e863c43f4':
Commit copyright header change for src/H5PLpkg.c which was added after running script to make changes.
Add new files in release_docs to MANIFEST. Cimmit changes to Makefile.in(s) and H5PL.c that resulted from running autogen.sh.
Merge pull request #407 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10_1 to hdf5_1_10_1
Change copyright headers to replace url referring to file to be removed and replace it with new url for COPYING file.
1) Added code test/page_buffer.c to verify that page buffering is
disabled in parallel builds.
2) Added code to test/cache_image.c to verify correct interaction
between evict on close and cache image -- in particular management
of a file containing a cache image containing dirty metadata that
has been opened R/O. Also fix for the bug exposed.
3) Added code to testpar/t_cache_image.c to verify expected procedure
for reading cache images, and also supporting stats collection code
needed for the test.
4) Repair of an overactive sanity check in H5C__reconstruct_cache_contents().
5) Other minor tidies in passing.
Tested serial and parallel, debug and production on Jelly.
