[ Mohamed Amine IL Idrissi ] * Redesigned the Updates tab according to https://wiki.ubuntu.com/SoftwareUpdateHandling#settings (LP: #351484, #357676, #253412)
[ Michael Vogt ] * add dbus/polkit backend, based on lp:~kubuntu-packagers/software-properties/dbusworker * use new dbus backend * automatically run tests at bzr-buildpackage time