Merge branch 'master' of https://github.com/dotcloud/docker
Merge remote-tracking branch 'upstream/master'
chore(graph/graph): remove dead code

This code was introduced with commented out sections. Just delete them.

Original commit: 18fc707fdf06aeb50fa5250f59f0ef4597d7cf73

Docker-DCO-1.1-Signed-off-by: Brandon Philips <brandon.philips@coreos.com> (github: philips)
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)
Fix race condition during socket creation

Docker-DCO-1.1-Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (github: glebfm)
Merge branch 'master' of https://github.com/dotcloud/docker
Some changes to semantics around tagging, detaching.

Tried to clarify some of the semantics regarding --tag and renaming etc.
Added some text clarifying how to detach from a running containers.
Fixed a bug that reference /varlog instead of /dev/log.

Docker-DCO-1.1-Signed-off-by: William Henry <whenry@redhat.com> (github: ipbabble)

Changes to be committed:
	modified:   docker-attach.1.md
	modified:   docker-build.1.md
	modified:   docker-run.1.md
	modified:   docker-tag.1.md
Fixed some typos in docker-build.

Docker-DCO-1.1-Signed-off-by: William Henry <whenry@redhat.com> (github: ipbabble)

 Changes to be committed:
	modified:   contrib/man/md/docker-build.1.md
Add Dinesh Subhraveti to MAINTAINERS

Docker-DCO-1.1-Signed-off-by: Dinesh Subhraveti <dineshs@altiscale.com> (github: dineshs-altiscale)
update container's state after we close the waitLock

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Change 'Uploading context' wording

Docker-DCO-1.1-Signed-off-by: Ryan Stelly <ryan.stelly@live.com> (github: FLGMwt)
add support for COPY to docker build

This adds a COPY command to docker build which works like ADD, but is
only for local files and it doesn't extract files.

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
block aufs on incompatible file systems

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #6109 from unclejack/block_aufs_on_top_of_btrfs

block aufs on incompatible file systems
sync the initial docs from b2d

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #5855 from philips/remove-dead-code

chore(graph/graph): remove dead code
Fix races on TagStore accessing

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix race on shutting down

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix races in set/get currentInterfaces in networkdriver

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix race in native driver on activeContainers usage

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)