GitLab

Policy upgrading checklist:
 https://www.debian.org/doc/debian-policy/upgrading-checklist.html#version-4-3-0



Changes are:
 * use proper verbose mode
 * refresh URLs in d/copyright
Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org>

Let's update the copyright file with latest file additions regarding nftables.
Also, small tiny fixes reported by lintian.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>