railsgirls/railsgirls.github.com — pull request #117 by hsbt (2013-11-10 14:34:28+00:00)
Title: Use github-pages gem

Github said to use ```github-pages``` gem in github pages. see. https://help.github.com/articles/using-jekyll-with-pages#configuring-jekyll

I updated Gemfile and Gemfile.lock.