#287 Entity service
#287 Entity service used by the property UI controller
#287 Entity service used by the management service
#287 Actually, the management service does not need the entity service
#287 Event service uses EntityService
#287 Remove use of ManagementService#getEntityId from DefaultEntityConverter
#287 Remove use of ManagementService#getEntityId
#287 Remove ManagementService#getEntityId