Add Bootstrap, Font Awesome from CDN
Add Jekyll Assets

See http://ixti.net/software/2012/12/30/unleash-mr-hyde-introduction-of-jekyll-assets.html

Add LESS
Add Bootstrap LESS sources to the assets pipeline
Keep Font Awesome from CDN

Move H5BP, Pygments files to vendor directories
Add dev. env. setup intructions, credits to README
Add Licenses section to README
Merge branch 'add-bootstrap-layout'