Fix some paths in the Dockerfiles.
Extract the minion registry from the etcd implementation into the pod registry where it belongs.
Merge pull request #1416 from brendandburns/env

Extract the minion registry from the etcd implementation into the pod registry.
Typo fix
Fixed a small typo in the guestbook-go build instructions.
Merge pull request #1423 from roberthbailey/guestbook-go

Fixed a small typo in the guestbook-go build instructions.
Merge pull request #1422 from jhadvig/typo

Typo fix