[Merge] lp:~mwhudson/livecd-rootfs/live-server-set-refresh.hold into lp:livecd-rootfs

[Michael Hudson-Doyle]

The casper fix got merged so this isn't necessary any more.
-- 
https://code.launchpad.net/~mwhudson/livecd-rootfs/live-server-set-refresh.hold/+merge/341801
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~mwhudson/livecd-rootfs/live-server-set-refresh.hold into lp:livecd-rootfs.