vagrant: added PRIVATE_NETWORK env var

Docker-DCO-1.1-Signed-off-by: Rafal Jeczalik <rjeczalik@gmail.com> (github: rjeczalik)
changed default value of getenvint to 0. fix tests

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

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
add a known issue for lxc-1.0.0.beta3 and beyond for removeal of lxc-kill see #3844

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)
Merge pull request #3863 from vieux/default_getint_0

changed default value of getenvint to 0. fix tests
remove some mkServerFromEngine

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Remove api_params.go

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
job.error\* now return engine.StatusErr

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
add setSubEnv and getSubEnv

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Not not allocate networks first ip

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #3848 from tianon/fix-yaml-space-parsing

 Fix fun Travis DCO check YAML parsing issues (especially with commit messages that start with any kind of whitespace, like this one intentionally does)
Merge pull request #3760 from tianon/better-nondocker-warning

Update hack/make.sh with slightly clearer output and a more precise "are we in the Docker container?" check
Merge pull request #3822 from tianon/install-your-user

Make get.docker.io install directions slightly better by telling user exactly how to add themselves to the "docker" group
Merge pull request #3125 from rjeczalik/master

vagrant: added PRIVATE_NETWORK env var
Update/fix build tags, Dockerfile, and release.sh for proper building and releasing of linux/386 and linux/arm cross-compiled client binaries

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Unit test ensuring that a tar.TypeXGlobalHeader does not cause an error

Docker-DCO-1.1-Signed-off-by: Abel Muiño <amuino@gmail.com> (github: amuino)
Ignore tar.TypeXGlobalHeader

Docker-DCO-1.1-Signed-off-by: Abel Muiño <amuino@gmail.com> (github: amuino)
Merge pull request #3800 from vieux/cleanup_jobs

Cleanup jobs
Merge pull request #3866 from crosbymichael/dont-allocate-1

Do not allocate networks first ip
Merge pull request #3861 from metalivedev/fixkerneldeps

Fixed link to kernel dependencies.