Bug fix: javascript for import-roster.js was expecting all_classes() to return an array of strings, not an array of objects.  (Thanks, Carl Hunter!)
Bug fix: javascript for import-roster.js was expecting all_classes() to return
an array of strings, not an array of objects.  (Thanks, Carl Hunter!)

jeffpiazza/derbynet,jeffpiazza/derbynet,jeffpiazza/derbynet,jeffpiazza/derbynet,jeffpiazza/derbynet,jeffpiazza/derbynet,jeffpiazza/derbynet