Adding logresolve.pl - a Perl version of logresolve.c that spawns lots

of low overhead processes to map IP numbers into hostnames concurrently
instead of one by one at a snails pace (logresolve.c).

Nobody said it was shite so here it is.

Submitted by: Rob Hartill


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79845 13f79535-47bb-0310-9956-ffa450edef68