[Merge] lp:~laney/livecd-rootfs/snap-seeding into lp:livecd-rootfs

[Iain Lane]

Pushed an update to deal with "(classic)" and output this as "classic: true" in the corresponding seed.yaml stanza - please re-review.
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https://code.launchpad.net/~laney/livecd-rootfs/snap-seeding/+merge/334061
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~laney/livecd-rootfs/snap-seeding into lp:livecd-rootfs.