* Updated source file copyright headers to remove "Copyright by the Board of Trustees
of the University of Illinois", which is kept in the top-level COPYING file.
Adds tool h5dwalk and configure options to enable building it.
Co-authored-by: Richard Warren <Richard.Warren@hdfgroup.org>
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Richard.Warren <richard.warren@jelly.ad.hdfgroup.org>
Co-authored-by: Larry Knox <lrknox@hdfgroup.org>