Update fish shell completions.

Fixes #9550

Signed-off-by: Barnaby Gray <barnaby@pickle.me.uk>
Fix race condition between parseSecurityOpt and container.Mount

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Updates to release checklist.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Include fred's release notes for 1.4.0.

He is unfortunately out of power and internet because of storms :(

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Merge pull request #9627 from jfrazelle/release-notes

Include Fred's release notes for 1.4.0.
Report number of times that docker has auto-restarted a container

Fixes #9469.

Signed-off-by: Rémy Greinhofer <remy.greinhofer@livelovely.com>
Merge pull request #9621 from rgreinho/issue/9469

Report number of times that docker has auto-restarted a container
Adds User Invites to Hub Docs

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)
Fix a bashism and some minor bugs in nuke-graph-directory.sh

Signed-off-by: Andrew Page <admwiggin@gmail.com>
Merge pull request #9626 from jfrazelle/update-release

Updates to release checklist.
Merge pull request #9637 from tianon/minor-nuke-fixes

Fix a bashism and some minor bugs in nuke-graph-directory.sh
Merge pull request #9625 from LK4D4/fix_race_in_sec_opts

Fix race condition between parseSecurityOpt and container.Mount
Merge pull request #9636 from fredlf/add-user-invites

Adds User Invites to Hub Docs
Merge pull request #9551 from barnybug/9550-fish-completions

Update fish shell completions.
Add master builds url to readme.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Merge pull request #9639 from jfrazelle/advertise-master-builds

Add master builds url to readme.