Merge pull request #44 from ianbarber/master

Add stubbed subtitle track
Adding next and previous article links at the bottom of the article
Merge branch 'master' of github.com:PaulKinlan/WebDocs
Floating next article right
Adding next and previous article support.  Adding images of IA
Updating the content part of the getting started guide
Removing setup out of the list for now
Finishing Content article and fixing some typos in the video article
Fixing images on content page
Fix sample stripping of elements, add fullscreen sample for video