Fixes #3375: Add newer Ubuntu / Debian releases to the APT package manager settings PT / Technique
Merge pull request #105 from Kegeruneku/bug_3375/dev/3375_add_newer_ubuntu_releases_to_apt_technique

Fixes #3375: Add newer Ubuntu / Debian releases to the APT package manag...
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5