Some reorgansiation of navigation structure.
Developer Info "dinfo.php" and User Info "uinfo.php" now obsolete.
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@441 7f0cb862-5218-0410-a997-914c9d46530a
Also, changed to follow the convention that stuff-you-type is in
a "typewriter" font (use <tt> tags).
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@417 7f0cb862-5218-0410-a997-914c9d46530a