Remove the following broken links :
- The FreeBSD Advocacy Project (http://freebsd.tesserae.com/)
- BSD Cellphone Covers (http://mygiea.heim8.tu-clausthal.de/projects/handy/)
- The Free Software Bazaar (http://visar.csustan.edu/bazaar)
- BSD CD Giveaway List (http://visar.csustan.edu/giveaway.html)
Add the following links :
- BSD Freak (http://bsdfreak.org/)
- BSDCon Europe (http://www.bsdconeurope.org)
Correct the link for Bob Bruce's "BSD vs Linux vs NT" comparison.
PR: docs/33255