cdnjs/cdnjs — pull request #4092 by worldsoup (2014-12-11 18:35:36+00:00)
Title: Update README.md

Hi! CircleCI engineer here. We released a new, prettier, retina-friendly badge, and noticed you were still on the old one :)
![screenshot 2014-12-11 10 34 50](https://cloud.githubusercontent.com/assets/1475986/5399571/68670822-8121-11e4-93e4-a77a136438ea.png)