* UpdateManager/UpdateManager.py: - refresh "last updated" text periodically to ensure its not stale (LP: #450286) * DistUpgrade/DistUpgradeViewGtk.py: - deal with io errors when writing the log (LP: #447693) * debian/control: - add or-dependency to qemu-kvm * DistUpgrade/DistUpgrade.cfg: - add policykit-gnome and gnome-mount to the forced obsoleted packages (thanks to seb128) * merge translations from rosetta * DistUpgrade/DistUpgradeQuirks.py: - stop docvert-converter when the upgrade starts, otherwise OOo will not upgrade at all (LP: #450569) * pre-build.sh: - fix bug in the demoted.cfg generation - fixes in cleanup handling * UpdateManager/backend/__init__.py: - honor UPDATE_MANAGER_FORCE_BACKEND_APTDAEMON environment * DistUpgrade/DistUpgrade.cfg.hardy: - updated to include demoted.cfg.hardy