I hope nested build functionality get merged soon. From reading the last proposal minutes, I wasn't sure if it's been shelved for later? https://github.com/doc

I hope nested build functionality get merged soon. From reading the last proposal minutes, I wasn't sure if it's been shelved for later? https://github.com/docker/irc-minutes/blob/master/docker-dev/2014-10-02--17-30.md#nested-build---proppy https://github.com/docker/irc-minutes/blob/master/docker-dev... It'll replace a bunch of unnecessary shell scripts that are currently required to get similar functionality working.