Issue #5279 -> Introduce horizontal scrolling to code-blocks

Closes issue #5279

This commit re-introduces horizontal scrolling to docs' codeblocks

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
Document the potential insecurity of --net host

Docker-DCO-1.1-Signed-off-by: Timothy <timothyhobbs@seznam.cz> (github: https://github.com/timthelion)
Issue #5036 -> Click on nav bar goes to top level doc

Closes issue #5036

This commit redirects the reader to top level doc upon clicking
on a main nav. menu item (eg. Installation [click] -> Mac OS X)

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
Merge pull request #6458 from ostezer/docs-code-block-scrolling

Issue #5279 -> Introduce horizontal scrolling to code-blocks
update MAINTAINERS files

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6430 from LK4D4/lock_inspect

Do inspect under container lock
Merge pull request #6449 from timthelion/host-net-docs

Document the potential insecurity of --net host
Merge pull request #6459 from ostezer/issue-5036-main-nav-top-level-click

Issue #5036 -> Click on nav bar goes to top level doc
Merge pull request #6306 from mheon/fix_manpage_issue

Update documentation for docker pull
Merge pull request #6240 from pmorie/docs

Add ApiVersion to doc example for remote API 1.12 /version
do not alter json in docker save

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6417 from mrunalp/dev/system_prctl

Add helper function to make prctl system call.
Merge pull request #6438 from jamtur01/opts

Fixed DOCKER_OPTS
Updated Viewing App when on OSX

Added section to show how to get IP address and view running python app if the user is using boot2docker on OSX

Docker-DCO-1.1-Signed-off-by: Richard Harvey <richard@squarecows.com> (github: richarvey)

Docker-DCO-1.1-Signed-off-by: Richard Harvey <richard@squarecows.com> (github: SvenDowideit)
fixup small formatting

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #6462 from SvenDowideit/pr_out_fixup_small_formatting

fixup small formatting
exclaimation marks cause shell pain - simplify it away

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
improve test

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add a test using the flags

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6464 from SvenDowideit/pr_out_exclaimation_marks_cause_shell_pain_simplify_it_away

exclaimation marks cause shell pain - simplify it away