Fixes DEVELOPER-139 (right rail)

Adding in the cdn function

Updating the look of the webinar portion

Changes per Paul

Switching the text and the image location
Removing some extra info from the vimeo thumbnails
Changing from h4 to plain text size

Removing desc for devstudio videos

Commenting out titles w/ no content
Changed the size of images, devstudio fix

Also updating to the latest asciidoctor
Merge pull request #420 from LightGuard/DEVELOPER-139

Fixes DEVELOPER-139 (right rail)