Preserve extended attributes and acls on archlinux build

Failure to do this means that file capabilites are not preserved in the image.
Ping fails to work as a non-root user if cap_net_raw is capability is not set

Signed-off-by: Dan Griffin <dgriffin@peer1.com>
Edits and refinements to 1.3.1 release notes.

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Added missing item from Changelog

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Merge pull request #8404 from danjpgriffin/master

Preserve extended attributes and acls on archlinux build
Updated footer to match rest of site

Signed-off-by: Nathan Hsieh <hsieh.nathan@gmail.com>
Merge pull request #8892 from fredlf/relnotes-edit

Edits and refinements to 1.3.1 release notes.
Add a better error message when we get an unknown http issue

Closes #5184

Signed-off-by: Doug Davis <dug@us.ibm.com>
Merge pull request #8345 from duglin/Issue5184

Add a better error message when we get an unknown http issue
Merge pull request #8900 from nhsiehgit/updatefooter

Updatefooter
Rewrite check-config in Go and add it to docker info

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
Add unit test for check-config

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
Run check config before daemon startup

Signed-off-by: Tibor Vass <teabee89@gmail.com>