remove unused beam, will be back later as libchan

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Allow --net=none & -h

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add tests

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Remove "production ready" from the roadmap

It's done as of v1.0.0.

Docker-DCO-1.1-Signed-off-by: Glyn Normington <gnormington@gopivotal.com> (github: glyn)
add test

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add hostname generation with --net=host

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6365 from vieux/allow_net_none_h

Allow --net=none and -h
Merge pull request #6360 from vieux/remove_beam

remove unused beam, will be back later as libchan
Merge pull request #6381 from glyn/prod-ready

Remove "production ready" from the roadmap
Merge pull request #6391 from vieux/fix_hostname_file_net_host

fix hostname generation with --net=host