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)
Fix stdcopy when reads large frame at once

Fixes TestLogsContainerMuchBiggerThanPage with go 1.3(#6520)
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Add a ton of simple improvements to contrib/mkimage/debootstrap, especially comments in the extra files put inside the image

This also adds support for squeeze-lts. :)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
be consistent in capitalization of Docker

Docker-DCO-1.1-Signed-off-by: Jonathan Boulle <jonathanboulle@gmail.com> (github: jonboulle)
Fatal() doesn't take a format string like Fatalf()

Docker-DCO-1.1-Signed-off-by: Kato Kazuyoshi <kato.kazuyoshi@gmail.com> (github: kzys)
Update fedora.md

Docker-DCO-1.1-Signed-off-by: Alexander Shopov <ash@kambanaria.org> (github: alshopov)

Squashed by

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

replaces #6478

Docker-DCO-1.1-Signed-off-by: Alexander Shopov <ash@kambanaria.org> (github: )
Update dockervolumes.md

Missed double hyphen in `--volumes-from` option
Merge pull request #6572 from tianon/better-debootstrap-self-documentation

Add a ton of simple improvements to contrib/mkimage/debootstrap, especially comments in the extra files put inside the image
Merge pull request #6585 from kzys/runconfig-fatalf

Fatal() doesn't take a format string like Fatalf()
Remove old tag format

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6532 from jonboulle/fix_capitals

be consistent in capitalization of Docker
Move sorter_test from integration to integration-cli

TestServerListOrderedImagesByCreationDateAndTag was redundant and broken
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix header and about Docker links
Fix typo in the docs.

Fix a minor typographical error inside `run.md`.
Merge pull request #6621 from LK4D4/move_sorter_tests_to_integration_cli

Move sorter_test from integration to integration-cli
api/client/build: allow tar as context for docker build -

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
Merge pull request #6539 from LK4D4/fix_large_frame_in_stdcopy

Fix stdcopy when reads large frame at once
Merge pull request #5715 from proppy/context-tar

allow docker build - to accept a context tar from stdin