[Merge] ~mwhudson/livecd-rootfs/+git/livecd-rootfs:lp-1883156 into livecd-rootfs:ubuntu/bionic

[Michael Hudson-Doyle]

> My test build looks goot, ready for testing.

Ahem, I mean: My test build looks good, ready for review
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https://code.launchpad.net/~mwhudson/livecd-rootfs/+git/livecd-rootfs/+merge/387802
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~mwhudson/livecd-rootfs/+git/livecd-rootfs:lp-1883156 into livecd-rootfs:ubuntu/bionic.