Remove the 'TABLE OF CONTENTS' header

Its tricked a number of readers, as its not a TOC, its just local to the
current topic. Now that the docs are not mobile responsive its not an
active UI element either.

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #6283 from huslage/doc-videos

Videos for installing b2d
add an image to show the use of the Docker OSX applet

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)
Docs: Remove unused font and fix navigation links

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
Merge pull request #6285 from ostezer/docs-new-style-improvements

Docs: Remove unused font and fix navigation links
Merge pull request #6264 from SvenDowideit/add-osx-boot2docker-start

add an image to show the use of the Docker OSX applet
Merge pull request #6284 from SvenDowideit/remove-table-of-contents-eyebrow

Remove the 'TABLE OF CONTENTS' header
Initial links

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #6287 from jamtur01/userguide

Initial links
Removed re-appearing production warnings

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #6289 from jamtur01/dev

Removed re-appearing production warnings
Fixed issues in Mac or Windows

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #6291 from jamtur01/mac

Fixed issues in Mac or Windows
Docs: Fix merge issue on docker-hub/builds.md

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)
fix version numbering

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6292 from ostezer/docs-merge-on-builds

Docs: Fix merge issue on docker-hub/builds.md
Simplify the windows docs and fix formatting

The mention of NAT is confusing for those coming from pre-host-only networking b2d

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #6294 from SvenDowideit/simplify-windows-networking-docs

Simplify the windows docs and fix formatting
Merge pull request #6293 from vieux/fix_version_decode

Fix version numbering
Docs: Rename index with hub for ref. section

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)