[Merge] ~mwhudson/livecd-rootfs/+git/livecd-rootfs:no-mini-iso-rootfs into livecd-rootfs:ubuntu/master

[Dan Bungert]

Review: Approve

Thanks!
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https://code.launchpad.net/~mwhudson/livecd-rootfs/+git/livecd-rootfs/+merge/478963
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