[PRCo] archives redux

[Derrick J Brashear]

Raw archives are still at the location I posted before; However, there's
now "web archive", updated hourly. No search feature yet.

http://lists.dementia.org/mlist/pittsburgh-railways/

Choose the year and month you wish to look at, and you get a date-sorted
list. You can instead choose "threaded" and get that view.

I don't like this, and I think I'm going to replace the software with
something better, but in the meantime, it does work.