chore(*): remove deis-builder-data
Merge pull request #105 from carmstrong/remove_builder_data

chore(*): remove deis-builder-data
fix(*): Announce the published port to etcd

Builder listens on 22 (internal) and is published on 2223
chore(*): Rename PUBLISH to EXTERNAL_PORT

This makes the boot logic more understandable. This commit also fixes
some wrong comments, about what is published and what is checked.
Merge pull request #77 from johanneswuerbach/announce-correct-port

Announce correct port
feat(publisher): introduce deis/publisher
Revert "fix(cmd): append "@1" if none supplied to install"

This reverts commit 37c348ef2f94ef62b51b09381c41f9abccea85e6.
fix(backend): don't assume "@1" for units; install publisher