sysutils/p5-Giovanni: a perl-based software deployment tool inspired by capistrano - v1.12

Giovanni is a Perl replacement for the idea behind Capistrano.
It is a deployment system that can be used comfortably from the
commandline to check out code, restart systems and notify.

PR: 218373
Submitted by: Dave Cottlehuber <dch@skunkwerks.at>
Approved by: adamw (mentor)
Differential Revision: https://reviews.freebsd.org/D10277