BlueSpire/Durandal — pull request #91 by willtcarey (2013-03-07 14:17:57+00:00)
Title: Allow transitions to occur when there is no view to transition to

The built-in transition already handles transitioning a view out without transitioning a new view in, but the shouldTransition function stopped it from ever being called. This commit allows shouldTransition to evaluate to true even if there is no new child.