[Merge] ~paelzer/ubuntu-seeds/+git/ubuntu:prepare-to-drop-server-ship into ~ubuntu-core-dev/ubuntu-seeds/+git/ubuntu:groovy

[Christian Ehrhardt ]

One rename and two no more existing packages need to be updated in the Ubuntu seeds.
-- 
https://code.launchpad.net/~paelzer/ubuntu-seeds/+git/ubuntu/+merge/389946
Your team Ubuntu Core Development Team is subscribed to branch ~ubuntu-core-dev/ubuntu-seeds/+git/ubuntu:groovy.