Adapt changes of ec1d27fa7c523da151f9e9aafcd4a64468adae90
Adapt changes of ec1d27fa7c523da151f9e9aafcd4a64468adae90

Instead of sending user_count, the worker sends user_class_occurrences

mbeacom/locust,mbeacom/locust,mbeacom/locust,mbeacom/locust,locustio/locust,locustio/locust,locustio/locust,locustio/locust