added ARIA role of content info for accessibility
Merge branch 'attempting-to-use-jekyll-looping-for-articles' into gh-pages

Conflicts:
	_layouts/default.html
	_site/index.html
	_site/pages/choose.html
unknown but necessary commit
removed some mysteriously added lines of code
added tracking script for google analytics
updated media query detection to compensate for old browsers
Merge branch 'gh-pages' into complete-site-restructure

Conflicts:
	_includes/css/common.css
	_layouts/default.html