Revised and extended hyperslab selection image.
Added section "Selecting a union of hyperslabs."
IH_map*.gif (6 new files)
New images for "Intro to HDF5."
As a composite, these replace H5.intro.datamap.gif.
H5.intro.datamap.gif
Removed. Replaced by the composite IH_map*.gif.
RM_H5RA.html (new file)
RM_H5Front.html
Tools.html
Ragged.html
H5.user.html
Changed all H5R functions to H5RA.
Changed Ragged Array API references from H5R to H5RA.
Changed links to RM_H5R.html to RM_H5RA.html.
RM_H5R.html
Removed. Replaced by RM_H5RA.html.
Reordered examples to coincide with the sequence of use within the document.
Moved NATIVE and named datatype discussions to be with the rest of the
datatypes discussion.
Fixed arrays illustrated in tables so that empty cells show clearly.
Several dozen minor edits.
