* Add a new update_apt_cache method and call that when needed, especially
when installing new packages. (LP: #1625627)
* Install matchbox-window-manager instead of the matchbox metapackage in
a container. (LP: #1628563)
* Remove bad status update preventing archive removal from container.
* Make debconf interactions work correctly from GUI. (LP: #1627757)
* Fix crash on start in Unity 7 when launching from the dash.
(LP: #1620016)