updates on styleguide
Merge branch 'feature/29' of https://github.com/PaulKinlan/WebDocs into feature/29

* 'feature/29' of https://github.com/PaulKinlan/WebDocs:
  Fixing a single missing quote mark that was killing the entire "Getting started" page
  Fix sample stripping of elements, add fullscreen sample for video
  Removing some old / unused partials and includes
  Fixing images on content page
  Finishing Content article and fixing some typos in the video article
  Removing setup out of the list for now
  Updating the content part of the getting started guide
  Adding next and previous article support.  Adding images of IA
  Update styleguide
  Floating next article right
  Adding next and previous article links at the bottom of the article
  Add stubbed subtitle track
  Update layout to exclude body