emberjs/ember.js — pull request #796 by jbrown (2012-05-07 18:37:25+00:00)
Title: App#injectControllers should not blow up on existing instances named like classes

82b9c805 refers to [http://jsfiddle.net/Qpkz5/474/](this jsFiddle)
cefae578 would protect those who do not follow Ember naming conventions.

Feel free to cherry pick 82b9c805 if you would like handle cefae578 differently.