Steve Wozniak is not boring.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
No longer expose gravatar_email in docker.io api

Docker.io API has replaced the gravatar_email field with a
gravatar_url field instead.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
Set bridge mac addr on supported kernels

Fixes #3200
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #4938 from jlhawn/master

No longer expose gravatar_email in docker.io api
Add basic initial "check-config" script to contrib

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Merge pull request #4931 from crosbymichael/gen-mac-addr-for-bridge

Set bridge mac addr on supported kernels
Merge pull request #4902 from shykes/wozniak_is_not_boring

Steve Wozniak is not boring.
Merge pull request #4963 from tianon/check-config

Add basic initial "check-config" script to contrib