Docs: add ApiVersion to /version for remote API 1.12

Docker-DCO-1.1-Signed-off-by: Paul Morie <pmorie@gmail.com> (github: pmorie)
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)
Linking containers added to API example

Linking containers was not covered in the API documentation. I looked it up in the client source code and testing it manually.
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)
Add helper function to make prctl system call.
Docker-DCO-1.1-Signed-off-by: Mrunal Patel <mrunalp@gmail.com> (github: mrunalp)
Fix several man page spelling errors

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Do inspect under container lock

It fixes some race conditions
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Fix spelling and grammar errors; remove seemingly out-of-place words

Docker-DCO-1.1-Signed-off-by: AJ Bowen <aj@gandi.net> (github: soulshake)
Fixed headers and ' characters

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Fixed DOCKER_OPTS

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
docker-java has moved to new location
Merge pull request #6440 from marcuslinke/patch-1

docker-java has moved to new location
Merge pull request #6433 from soulshake/small-typos

Fix spelling and grammar errors; remove seemingly out-of-place words
Merge pull request #6378 from evanderkoogh/patch-1

Linking containers added to API example
dockervolumes: Fix a minor typo
Merge pull request #6437 from jamtur01/net

Fixed headers and ' characters
Merge pull request #6443 from catharsis/patch-1

dockervolumes: Fix a minor typo
Guillaume is busy full-time on his new business, and no longer available
as a maintainer.

Best of luck on your e-commerce business Guillaume, and thanks for all
the great contributions!

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
Merge pull request #6448 from shykes/pr_out_guillaume_is_busy_full_time_on_his_new_business_and_no_longer_available_as_a_maintainer
Do not build using sudo on Mac OS X

Building using sudo fails on Mac OS X, but is necessary on Linux.

See https://groups.google.com/d/topic/docker-dev/1EW_pfA1t9o/discussion for discussion.

Docker-DCO-1.1-Signed-off-by: Glyn Normington <gnormington@gopivotal.com> (github: glyn)