Add a test for mount.GetMounts

Because mount.parseInfoFile is only available on Linux

Docker-DCO-1.1-Signed-off-by: Kato Kazuyoshi <kato.kazuyoshi@gmail.com> (github: kzys)
FreeBSD's nullfs doesn't support file mount

FreeBSD doesn't have "bind" mount, but nullfs might be a similar feature.
However nullfs can mount only directories.

Docker-DCO-1.1-Signed-off-by: Kato Kazuyoshi <kato.kazuyoshi@gmail.com> (github: kzys)
Support FreeBSD on pkg/mount

Docker-DCO-1.1-Signed-off-by: Kato Kazuyoshi <kato.kazuyoshi@gmail.com> (github: kzys)
Add README.md file for the docker directory

See issue #5873

Docker-DCO-1.1-Signed-off-by: Timothy <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)
Add Dinesh Subhraveti to MAINTAINERS

Docker-DCO-1.1-Signed-off-by: Dinesh Subhraveti <dineshs@altiscale.com> (github: dineshs-altiscale)
add mkimage support for mageia using urpmi
Docker-DCO-1.1-Signed-off-by: Sam Bailey <sam@thatsamguy.com> (github: thatsamguy)
mount of /.dockerinit is not needed for native driver, so move it into lxc driver

Docker-DCO-1.1-Signed-off-by: Albert Zhang <zhgwenming@gmail.com> (github: zhgwenming)
reuse the febootstrap-minimize from rinse
Docker-DCO-1.1-Signed-off-by: Sam Bailey <sam@thatsamguy.com> (github: thatsamguy)
Make debian init work when called quickly.

We use the start-stop-daemon pid creation mechanism in addition the intrinsic built into docker.  This means the pid file is guaranteed to be written out by the time the script exits.

See #6184.

Docker-DCO-1.1-Signed-off-by: Joe Beda <joe.github@bedafamily.com> (github: jbeda)
Docs: add ApiVersion to /version for remote API 1.12

Docker-DCO-1.1-Signed-off-by: Paul Morie <pmorie@gmail.com> (github: pmorie)
Update contrib/check-config.sh to check for CGROUP_FREEZER (which is newly required), and to use /proc/mounts for checking if we have a cgroup hierarchy instead of using /proc/$$/mountinfo (which on systemd might not list the cgroup hierarchy)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
utils: add test for TimeoutConn

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
registry: remove unneeded time.Duration()

These constants don't need to use time.Duration(). Fixup this file since
it seems to be the only one using this style.

Docker-DCO-1.1-Signed-off-by: Brandon Philips <brandon.philips@coreos.com> (github: philips)
Docs: Rename index with hub for ref. section

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
Copy edits to Understanding Docker

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredfl)
Merge pull request #6265 from fredlf/copyedits

Copyedits
Merge pull request #6295 from ostezer/docs-ref-index-hub

Docs: Rename index with hub for ref. section
Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredfl)
Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredfl)
Merge pull request #6298 from fredlf/copyedits

Edits to Win and OSX install