Fixes DEVELOPER-748

I think, anyway. Local testing is inconclusive.

Adding DCP changes and using it in the javascript

I completely forgot about this (the dcp part). We need this added to the
environments to make use of this.

Adding the sandbox quickstarts to be experimental too.

Removing include_in_all
DEVELOPER-702 Provide details on JBDS IS on jboss.org
DEVELOPER-926
Changes to support using vimeo albums

Conflicts:
	Gemfile.lock
	_layouts/video.html.slim
Add in standalone videos

Conflicts:
	Gemfile.lock
Upgrading Asciidoctor to 1.5.0
Adding some info that was missing before
Needed change to the DCP

We need to include a new preprocessor for videos now.
Update cdn.yml
Merge pull request #467 from pmuir/DEVELOPER-926

DEVELOPER-926 - try out using JPEGs
Changes from Pete's comments
Merge pull request #489 from paulrobinson/DEVELOPER-360

DEVELOPER-360 Update to support Vimeo albums
DEVELOPER-842 normalise contributors at build time
DEVELOPER-842 temporary upgrade to my aweplug branch
Merge pull request #486 from pmuir/DEVELOPER-842

Developer 842 - server side contributors
Update cdn.yml
Merge pull request #389 from paulrobinson/DEVELOPER-702

DEVELOPER-702 Provide details on JBDS IS on jboss.org
Update cdn.yml
Merge pull request #336 from LightGuard/DEVELOPER-748

Fixes DEVELOPER-748
Update cdn.yml