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)
utils: add test for TimeoutConn

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
Add integration test for history command and fix bug where history
would occasionally be returned in the incorrect order if sequential
layers had the same created time.

Docker-DCO-1.1-Signed-off-by: Bryan Murphy <bmurphy1976@gmail.com> (github: bmurphy1976)
Don't exit on eof in header reading in stdcopy

There was random lines drops in docker logs because of this
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
MAINTAINERS: add proppy for google.md

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
Increase time before exit in TestMultipleAttachRestart

Sometimes third attacher attaching to already stopped container.
Also I've changed prefix to attach and fixed cleanup on Fatal.
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix minor bug in contrib/man/md/md2man-all.sh causing the creation of contrib/man/manREADME

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Now using the nginx docker image instead of the apache one. dotcloud/docker/issues/6374

Docker-DCO-1.1-Signed-off-by: Julien Bordellier <me@julienbordellier.com> (github: jstoja)
Refactor events publishing

Events subscription (/events API endpoint) attributes pseudo-unique identifiers to incoming subscribers: originally its host, then its subscription time. This is unecessary and leads to code complexity.

Introduce a JSONMessagePublisher to provide simple pub/sub mechanism for JSONMessage, and rely on this new type to publish events to all subscribed listeners. The original logic is kept for the 'since' and 'until' parameters, and for client disconnection handling.

Docker-DCO-1.1-Signed-off-by: Arnaud Porterie <icecrime@gmail.com> (github: icecrime)
adding a little uniqueness, to wrapped errors.

Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
Add security message to readme
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github: crosbymichael)
Avoid erasing line for non-progress messages

The JSONMessage.Display methods erases the entire line by outputting the <ESC>[2K\r sequence before displaying the message content. This is not necessary for messages other than progress indicators, and introduces unwanted characters in the /events output.

Fixes #6203.

Docker-DCO-1.1-Signed-off-by: Arnaud Porterie <icecrime@gmail.com> (github: icecrime)
Merge pull request #6320 from LK4D4/fix_stdcopy_eof

Don't exit on eof in header reading in stdcopy
Merge pull request #6415 from LK4D4/increase_timeout_in_test_attach

Increase time before exit in TestMultipleAttachRestart
Merge pull request #6199 from icecrime/event_subscription_refactoring

Event subscription refactoring
Merge pull request #6490 from icecrime/6203-artifacts_on_events_output

Avoid erasing line for non-progress messages
pin awscli to 1.3.9, and then complexify the sync's to make them more likely to complete

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
compared the 0.11 sitemap to the 1.0 one and these are the differences

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
fixed docker port command
Merge pull request #6500 from leeplay/userguide

fixed docker port command