Convert libpq regress script to Perl

Alvaro Herrera <alvherre@alvh.no-ip.org>

Commit: a184e4db83c80d28103774ced984c7790fbd44ba
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2012-07-06T20:45:48Z
Releases: 9.3.0
Convert libpq regress script to Perl

This should ease its use on the Windows build environment.

Files