remove hard-coded domain
fix HTML for widget

had multiple <html> and <body> tags
improve widget when 3rd-party cookies are disabled

remove Safari hack / fix; instead inform user why voting will not work
Merge branch 'master' into widget-cookie-errors
update styling for blocked cookies message
add link about third party cookies
add tracking of blocked cookies
make test-unit available for all environments

rake requires it
Merge branch 'master' into widget-cookie-errors
add link to cookies blog post in blocked msg
add cookie check on non-widget voting page
add blocked cookies image to primary site message
add retina.js and 2x images
update css for social icons to be retina-ready
convert to using font glyphicon
update cookie message
Merge branch 'widget-cookie-errors' into retina-images

Conflicts:
	public/stylesheets/styles.css