[Merge] ~enr0n/ubuntu-release-upgrader:lp-2083311 into ubuntu-release-upgrader:ubuntu/main

[Sebastien Bacher]

Review: Approve

Thanks, it seems to be conform to what a new Oracular install has
-- 
https://code.launchpad.net/~enr0n/ubuntu-release-upgrader/+git/ubuntu-release-upgrader/+merge/474162
Your team Ubuntu Core Development Team is subscribed to branch ubuntu-release-upgrader:ubuntu/main.