seratch/gistub — pull request #26 by shuhei (2014-01-10 09:26:44+00:00)
Title: Show Gravatar icons using email provided by OmniAuth

Screen shot:
![gravatar icons](https://f.cloud.github.com/assets/498635/1885862/3c0d5434-79d9-11e3-8903-8f0a950473b1.png)