guardian/frontend — pull request #2309 by ironsidevsquincy (2013-11-18 11:36:02+00:00)
Title: Force image upgrade

Allows images to be forced to upgrade at certain breakpoints

(big pull, as update 3rd party test libs)

![image-force](https://f.cloud.github.com/assets/74132/1562376/96235ac6-5045-11e3-882b-33b147f09c00.jpg)