[web-team] No more shtml (hopefully)

[Paul Reiber]

Lisa wrote:
> As at least an interrum step, I have converted all the active
> (as far as I can tell) shtml pages to php pages (the old ones
> are still there if we need them).  And I have made the php pages
> the default. [...]

FYI

I just gave the site a quick drive-by and found there are still references
to .shtml links on the 404 pages (both the default 404, and the alternate
one that the "ribbit" link on said default page leads to)

>From a casual tour it looks like the remainder of the site's fine (but
I'm sure there might still be an odd corner or two)

Hope this helps!
-Paul