added github style syntax highlighting, merged with octopress plugins.

issues: “copy to copyright” is clipping, cannot see “selection” on copy, and cannot see scrollbars
removed clip and prettyPrint since using Octopress default syntax highlighter
fixed issue with code highlighting not showing any selection when selecting code
fix issue with scrollbars being invisible
remove selection color
fix alignment of code with line numbers
sorry brits, in America we put the month before the day :)
add disqus comments to posts and google analytics + stat counter to all pages
title has link and hover color of ice blue
fix so title links to root of site
display excerpts instead of content if available
add support for excerpt by adding link to “continue reading”
fix so full contents display on full post
Merge branch 'master' of https://github.com/elisehein/Pageturner

Conflicts:
	source/_layouts/default.html