Pulled in latest extensions code and rebuilt JS

Minor cross browser/device fixes

Added README.md

Claymate build, modules removed, gumby.min.js included

Responsive Images module applied to tardis and blueprint images

Responsive Images module applied to masthead

Quote form validation

New main.js file re-initialising #highlights skiplinks when shuffled

Shuffle highlights at 768px

Parallaxing masthead

Button switches to open modal and content

Modal markup in place

Skip links added to navbar dropdown and highlights

Fixed and pinned positions applied to navbar

Fitext applied to #main h2