Merge pull request #5724 from tutumcloud/5718-lxcbugfix

Fix bug on LXC container start. Fixes #5718
Remove newline char in error message
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #5748 from crosbymichael/libcontainer-bindmounts

libcontainer: Create dirs/files as needed for bind mounts
Always mount a /run tmpfs in the container

All modern distros set up /run to be a tmpfs, see for instance:
https://wiki.debian.org/ReleaseGoals/RunDirectory

Its a very useful place to store pid-files, sockets and other things
that only live at runtime and that should not be stored in the image.

This is also useful when running systemd inside a container, as it
will try to mount /run if not already mounted, which will fail for
non-privileged container.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
Merge pull request #5696 from cyphar/rev-ubuntu-dockerfile

Update Ubuntu release used for builds
add vieux as server's MAINTAINERS

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #5750 from vieux/vieux_server_maintainer

add vieux as server's MAINTAINERS
Merge pull request #5717 from philips/mkdir-in-daemon

fix(daemon): ensure the /var/lib/docker dir exists
move version out of server

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #5751 from vieux/move_version

move version out of server
Fix port mapping in ps display for public and private
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Move duration and size to units pkg
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #5747 from ojilles/patch-2

runmetrics update, linking to collectd plugin rather than just hinting
Was checking something for a PR and noticed some quote issues

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
move RegisterLinks to daemon

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #5759 from vieux/move_register_links_to_daemon

move RegisterLinks to daemon
make listen buffer optional

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
move acceptconnections as builtin

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #5707 from vieux/fix_event_removal

fix event removal
tell the user not to run  from OSX

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)