Supportfiles rearrangement.
Allow immediate message delivery on queue addition.

This facility should allow the email_template function in Template to be
deprecated and removed.
mod_perl friendly version of the index.

Note that this does not consitute a full mod_perl response handler, it just
ensures that the index.cgi will run properly inside mod_perl using
ModPerl::Registry.
Deprecating the hell out of the email functions.