integ-cli: test correct directory permissions

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
integ-cli: increase verbosity for mem & cpu test

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #7920 from unclejack/fix_layer_permissions

ensure correct permissions are set for directories
Merge pull request #7609 from ewindisch/max_imgname

Restrict length of repository names
Merge pull request #7938 from unclejack/make_run_test_verbose

integ-cli: increase verbosity for mem & cpu test
Merge pull request #7871 from vincentbernat/update/zsh-completion-1

zsh: update zsh completion for docker command
Allows installation on Linux Mint Debian Edition

Otherwise platform won't be detected

Signed-off-by: Tomasz Lipinski <me@tlipinski.net>
Merge pull request #7862 from Gandi/bugfixes/segfault-registry-session

Fix SEGFAULT if dns resolv error
Revisions based on feedback.

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Merge pull request #7891 from tlipinski/master

Allows installation on Linux Mint Debian Edition
Format and typo fixes

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Merge pull request #7759 from unclejack/pull_latest_by_default

make docker pull only the latest tag by default
Merge pull request #7929 from SvenDowideit/doc-tar-stream

Sven Dowideit 	Update export, copy and build API to say 'TAR STREAM' for all versions.
Merge pull request #7930 from jamtur01/nformat

Very minor formatting update for docs/sources/articles/networking.md
Merge pull request #7931 from jamtur01/device

Added --device flag to run reference
Print consistent help with options and commands

These commands now all output the same thing:

 - docker
 - docker help
 - docker --help
 - docker -h

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Add instructions on how to get help on commands

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
More format fixes.

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
More format wrestling.

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
add -p PORT as a valid format specification

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)