[Merge] ~cjwatson/livecd-rootfs:bionic/buildd into livecd-rootfs:ubuntu/bionic

[Dimitri John Ledkov]

@cjwatson awesome stuff, thanks for explaining things! I think as long as it's there when packages are building (e.g. clean target is executed) things should be fine.
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https://code.launchpad.net/~cjwatson/livecd-rootfs/+git/livecd-rootfs/+merge/361825
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~cjwatson/livecd-rootfs:bionic/buildd into livecd-rootfs:ubuntu/bionic.