enable docker run -it

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
add a little bit mentioning commandline option combinations

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)
fix fedora tty with apparmor

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Support json output in --format flag of docker inspect

Docker-DCO-1.1-Signed-off-by: ILYA Khlopotov <ilya.khlopotov@gmail.com> (github: khia)
Don't always just append env vars, replace defaults with ones from config
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Added documentation (and some cleanup) around small patch exemptions

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #2 from SvenDowideit/docker_run_-it_docs

add a little bit mentioning commandline option combinations

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4321 from vieux/docker_run_-it

Add support for docker run -it or docker images -qa
Merge pull request #4377 from vieux/fix_4358

fix fedora tty with apparmor
prevent flag grouping with --

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4426 from vieux/prevent_grouping_--

prevent flag grouping with --
add warning for deprecatd flags

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4428 from vieux/add_warning_flags

add warning for deprecatd flags
Merge pull request #4385 from khia/json_format

Support json output in --format flag of docker inspect
Merge pull request #4412 from crosbymichael/fix-env-clobber

Don't always just append env vars, replace defaults with ones from confi...
fix warning can't docker run

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4432 from vieux/fix_warning_as_error

fix warning can't docker run
Merge pull request #4413 from jamtur01/exemption

Added documentation (and some cleanup) around small patch exemptions