Dead links cleanup.
Dead links cleanup.

* www/links.html
  (Mailing list): Update tigris links.
  (WLW-SVN): Site disappeared.
  (SharpForge): Discontinued, merged into commercial hosting.
  (Collaboa): Disappeared. (Domain not renewed)
  (perl_svn): Project has been removed.
  (Bugzilla/SVN integration): Add comment on site being offline
    for future cleanup.
  (Conectiva documentation): Add comment on site being offline
    for future cleanup.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion