edx/edx-platform — pull request #348 by ichuang (2013-07-08 15:54:59+00:00)
Title: tracking in idashboard should only log json-serializable objects

This PR fixes an error in the instructor dashboard, in which users are getting an exception when adding staff. The error is caused by `track.views.server_track` trying to log a non JSON-serializable object, eg instance of User.