do not alter json in docker save

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
improve test

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add a test using the flags

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
allow utimes on mac os, only lutimes isn't supported

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
More verbose error for parallel pull

Partially fixes #6484
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Validate that one of streams choosen in logs on api side

Fixes #6506

There is the bug, that very hard to fix: When we return job.Errorf in
"logs" job it writes to job.Stderr, to which connected ResponseWriter and on
this write w.WriteHeader(http.StatusOK) is called. So, we get 200 on error
from "logs" job.

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

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Maintain a whitelist of capabilities rather than droplist

This fixes 6/18 vulnerability

Docker-DCO-1.1-Signed-off-by: Dinesh Subhraveti <dineshs@altiscale.com> (github: dineshs-altiscale)
Fix installation docs to use the new boot2docker command: ip

Docker-DCO-1.1-Signed-off-by: Lajos Papp <lajos.papp@sequenceiq.com> (github: lalyos)
Fix minor typo

Docker-DCO-1.1-Signed-off-by: Kevin Houdebert kevin.houdebert@gmail.com (github: qwazerty)
sqlite-3.6.20-1 unique constraint message

https://github.com/dotcloud/docker/issues/6551

Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
Use libcontainer cap drop method

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github: crosbymichael)
Update close fd issues for lxc

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github: crosbymichael)
Disable netgo for dynbinary builds

It's not necessary to use the netgo implementation for non-static builds. :)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Merge pull request #6552 from vbatts/vbatts-gh6551

sqlite-3.6.20-1 unique constraint message
Merge pull request #6493 from vieux/fix_cp_mac_os

allow utimes on mac os, only lutimes isn't supported
Fix dyntest and rename it to dyntest-unit to match the test-unit rename

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Fixed #6545 - Updated Security article

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #6527 from subhraveti/cap-whitelist

Maintain a whitelist of capabilities rather than droplist
Merge pull request #6554 from tianon/fix-dyntest

Fix dyntest and rename it to dyntest-unit to match the test-unit rename