mistio/mist.io — pull request #203 by gtsop (2014-07-24 22:47:10+00:00)
Title: Use sprite sheet for most of our images

In the process of decreasing http requests to decrease load time, a sprite sheet was created to include most of the images mist.io uses. The workflow to add an images gets a little bit more complicated, but the payoff is worth the trouble.