New url checker up and running

["James A. Treacy" <treacy@debian.org>]

Now that www.d.o is running potato, I was able to switch to the new
urlchecker. It has many advantages over the old one:
 - faster
 - gives better messages
 - handles more sites correctly
 - also checks ftp
 - written in python :)

Please take a look at http://www.debian.org/~treacy/urlchecker and
help stamp out bad urls - everywhere in the site, but especially
in areas you work on.

Note that it marks directories missing a final '/' as a (301) Moved
Permanently. It is a good idea to fix these in the source.
Otherwise, browsers need to make two connections before getting to
the right page.

There are still a few loose ends in the script and it hasn't made
it completely through the site yet. If you find a page that it doesn't
handle correctly, please send me some mail.

-- 
James (Jay) Treacy
treacy@debian.org