angular-ui/ui-router — pull request #1221 by tiwatson (2014-07-24 02:30:01+00:00)
Title: Add nullOnNoMatch config option for custom  types

Related to the issue i created here:
https://github.com/angular-ui/ui-router/issues/1220

Not sure this is the best way to go about it. Open to thoughts to make it better.