[Merge] ~ubuntu-core-dev/ubuntu-seeds/+git/platform:required-apt into ~ubuntu-core-dev/ubuntu-seeds/+git/platform:plucky

[Julian Andres Klode]

There was a question if this affects core builds, and it does not: core builds already build from an image with apt installed, which is used to install other packages, and then trim it down.
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https://code.launchpad.net/~ubuntu-core-dev/ubuntu-seeds/+git/platform/+merge/478520
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~ubuntu-core-dev/ubuntu-seeds/+git/platform:required-apt into ~ubuntu-core-dev/ubuntu-seeds/+git/platform:plucky.