This updates the V4.3 release notes.
1) The release notes text is moved into a newly-created directory ReleaseNotes
2) Three images for the release notes are created in a subdirectory within
the ReleaseNotes directory.
3) Light editing of the complete text of the release notes was done.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
