Auto-update documentation from the output of the cli.

I've re-jigged the run man page so that each option's text begins with the
cli's help text for that flag, and then ay subsequent lines in the man page
are carried forward.

Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #9388 from SvenDowideit/update-docs-from-cli

Auto-update documentation from the output of the cli.