add highlight.js main file
add highlight.js theme file
remove assets helper
replace @import with <link>

Don't use @import: http://www.stevesouders.com/blog/2009/04/09/dont-use-import/
replace Noto with Droid
add highlight.js syntax highlighting support

http://highlightjs.org/
add twitter cards and author tag for better SEO
Google Analytics, Webmaster Tools and Google Plus Authorship
add Disqus comments
Some minor changes to CSS and markup