tell the user not to run  from OSX

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Add GetParentDeathSignal() to pkg/system

Docker-DCO-1.1-Signed-off-by: Bernerd Schaefer <bj.schaefer@gmail.com> (github: bernerdschaefer)
Update archive/tar vendored

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
Add test for invalid tarball read

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
allow 2 docker events to be opened on the same computer over unix socket

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Refactor b.tar -> busybox.tar

The file was saved as busybox.tar, but the ls commands named it b.tar.

Docker-DCO-1.1-Signed-off-by: Steven Burgess <steven.a.burgess@hotmail.com> (github: stevenburgess)
Update ubuntulinux.md

In Ubuntu 14.04, we should use

    $ sudo service docker.io restart

instead of

    $ sudo service docker restart
nsinit.Init() restores parent death signal before exec

Docker-DCO-1.1-Signed-off-by: Bernerd Schaefer <bj.schaefer@gmail.com> (github: bernerdschaefer)
nsinit.DefaultCreateCommand sets Pdeathsig to SIGKILL

Docker-DCO-1.1-Signed-off-by: Bernerd Schaefer <bj.schaefer@gmail.com> (github: bernerdschaefer)
Add description of --volume read-only/read-write to docker-run man page.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
add test

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
do not merge -i or -t options

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Merge pull request #4882 from vieux/fix_merge_issue_tty

Fix merge issue tty
archive: simplify DetectCompression

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
archive: fix panic if len(source) < len(m)

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
archive: add missing bytes package

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)
Merge pull request #5822 from creack/update_vendors

Update archive/tar vendored
Merge pull request #5851 from proppy/archive-simple-detect

archive: simplify DetectCompression
integcli: resolve full path to docker binary

Setting dockerBinary to the full path of the Docker binary is a good
idea and this is now done in the test code.

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
add ValidateContextDirectory to utils/utils.go

This commit adds a function which can be used to ensure all contents of
a directory can be accessed.

This function doesn't follow symlinks to check if they're pointing to
files which exist. Such symlinks can be useful later.

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)