BBC-News/Imager.js — pull request #77 by nkp (2014-01-31 21:33:13+00:00)
Title: Option to stop redundant download of small images.

This option stops Imager.js downloading a new image when a higher
resolution copy has already been downloaded. This can occur when a
mobile device is rotated from landscape to portrait.

Upscaling to larger images is unchanged.