[Merge] ~davidkrauser/livecd-rootfs/+git/livecd-rootfs:buildd-image-perform-upgrade into livecd-rootfs:ubuntu/master

[Dimitri John Ledkov]

no update from submitter.
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https://code.launchpad.net/~davidkrauser/livecd-rootfs/+git/livecd-rootfs/+merge/381270
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~davidkrauser/livecd-rootfs/+git/livecd-rootfs:buildd-image-perform-upgrade into livecd-rootfs:ubuntu/master.