Changed H5Sget_space_type to H5Sget_simple_extent_type.
Changed H5Sget_simple_extent_type FAIL return value to
H5S_NO_CLASS.
RM_H5F.html
H5Fflush. Corrected function name in sytax line, which
had read H5Fis_hdf.
RM_H5G.html
Removed discussion of "current working group" and associated
information from the introductory discussion.
H5Gset, H5Gpush, H5Gpop
Removed these functions.
H5Gunlink, H5Gmove
Removed the "not yet implemented" notations from
these functions.
