get rid of url refs
get rid of url refs

opensci/blog.opensci.info,mchelen/michaelchelen.net,mchelen/michaelchelen.net,ellipsonic/jekyll_app_demo,ellipsonic/jekyll_app_demo,jamesyu/jamesyu_jekyll_template,mchelen/michaelchelen.net,wsxiaoys/wsxiaoys.github.com,opensci/blog.opensci.info,ellipsonic/jekyll_app_demo,ellipsonic/jekyll_app_demo,opensci/blog.opensci.info