[Merge] lp:~rcj/livecd-rootfs/xenial-proposed into lp:~ubuntu-core-dev/livecd-rootfs/xenial-proposed

[Robert C Jennings]

Tested with https://github.com/OddBloke/ubuntu-standalone-builder and the resulting OVA and vagrant box contain the expected changes.  This is ready for review.
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https://code.launchpad.net/~rcj/livecd-rootfs/xenial-proposed/+merge/320249
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~rcj/livecd-rootfs/xenial-proposed into lp:~ubuntu-core-dev/livecd-rootfs/xenial-proposed.