Added notes of specific celery version dependency. Users found problems conflicting with dependencies on 'kombu'; using celery version 2.1.4
Added notes of specific celery version dependency. Users found problems conflicting with dependencies on 'kombu'; using celery version 2.1.4

JimCallahanOrlando/DistrictBuilder,JimCallahanOrlando/DistrictBuilder,JimCallahanOrlando/DistrictBuilder,JimCallahanOrlando/DistrictBuilder