deny net host + dns and links with container net

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

Add some instructions for Debian 7 (aka Wheezy/Stable)

Signed-off-by: Vishal Doshi <vishal.doshi@gmail.com>
Try to go for 80-char lines and a little md wrangling.

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

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
Move TestRunCidFileCheckIDLength to integration-cli

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
Merge pull request #7825 from LK4D4/move_integration_to_cli

Move integration to cli
Merge pull request #7819 from SvenDowideit/debian-wheezy-notes

Debian wheezy notes - minor md tweaks
Refactoring execdriver.Command and Container structs to support 'docker exec' and other
similar features in the future.

Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)
Rename 'StdConfig' to 'StreamConfig'.

Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)
Merge pull request #7829 from crosbymichael/process-config

Refactor exec drivers for multi process
Update libcontainer to 55430d0db7c6bb1198c0bb573a9

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Update mount struct with reference

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Merge pull request #7780 from unclejack/disallow_dns_with_net_host

disallow net=host and net=container with links and dns
Merge pull request #7830 from crosbymichael/update-libcontainer-sep1

Update libcontainer to version 55430d0db7c6bb1198c0bb573a9700a859d5ec26