docker/docker — pull request #9201 by vieux (2014-11-17 19:30:38+00:00)
Title: Add hostname and ID docker info

replace #9126

This PR add the Hostname to `docker info`; it's the machine hostname, so it might not be unique.
This PR also add the ID of the engine to `docker info`; this ID is generated using libTrust, it is unique.

I extracted some code from #8265