GoodBoyDigital/pixi.js — pull request #740 by MWGitHub (2014-05-07 20:56:21+00:00)
Title: Added an error event dispatch when an image cannot be loaded.

Helpful when loading assets using BaseTexture.fromImage(...).

Tested by trying to load images that do not exist on Windows 8.1 using:
Chrome Version 34.0.1847.131 m
Firefox 26.0
Firefox 29.0
Internet Explorer 11.0.9600.17105