emacs-jp/emacs-jp.github.com — pull request #104 by pogin503 (2014-09-15 10:39:05+00:00)
Title: Add social button

http://gyazo.com/98b0fb7af7299b161c132bb050c3757d
http://gyazo.com/3899a2f1203176721001fa03c0397024

参考サイト:
http://blog.florianbersier.com/implementation-social-sharing-jekyll/