duckduckgo.com search on site fixed
Browser side qr code generation added for articles and pages
Computing copyright years in the footer
Fixed showing image on several equals slugs
Updated sass for qr codes
Simplified ddg search engine fix
Added overflow:hidded to article header element; removed deprecated include
Merge branch 'master' of git://github.com/xnike/pelican-octopress-theme into xnike-master

Conflicts:
	templates/_includes/footer.html
Merge branch 'xnike-master'