AnalyticalGraphicsInc/cesium — pull request #1404 by mramato (2014-01-24 17:12:40+00:00)
Title: Make Viewer.trackedObject an observable.

Removed `Viewer.objectTracked` event which is no longer needed.

I'm bringing these changes in ahead of some additional awesome work @emackey has going on in the `selection` branch. Should make the review of that branch easier.