Ignores README in folder listings
Fixes issue with unlabeled videos.

Also reordered layout code for videos and fixed a formatting problem where videos were packed too tightly vertically
Fixed incorrect id for articles section
Moved pricing outside definition list to keep html valid
Added missing alt tag for logo image
Moved inline styling of video iframes to css
Added missing dl tags to additionals list
Fix for strange relative paths to images on landing page
Added feature list to readme