coreos/rocket — pull request #220 by penberg (2014-12-05 15:50:11+00:00)
Title: Documentation: Add 'gpg' to build pre-requisites

Commit 00294ed ("stage1: gpg verify and cache retrieved coreos image")
added a dependency to 'gpg'. Add that to list of build pre-requisites.

Signed-off-by: Pekka Enberg