mozilla/zamboni — pull request #1887 by nearlyfreeapps (2014-03-23 17:36:18+00:00)
Title: Add task to run uploaded icons through Pngcrush (Bug 983426)

From [Bug 983426](https://bugzilla.mozilla.org/show_bug.cgi?id=983426), this adds a separate task to run uploaded icons through the Pngcrush lossless optimizer. It will overwrite the icon in src with the new optimized icon.