mozilla/zamboni — pull request #1575 by diox (2013-12-20 14:36:39+00:00)
Title: Stop storing URLs of icons/previews in ES, generate them at runtime (bug 952153)

https://bugzilla.mozilla.org/show_bug.cgi?id=952153

Should be backwards-compatible with existing data in ES and allow us to change the CDN url at runtime.