use real values in event stream for circuit config
use real values in event stream for circuit config

sorennielsen/hystrix-go,postfix/hystrix-go,Kane-Sendgrid/hystrix-go,afex/hystrix-go,yonglehou/hystrix-go,sorennielsen/hystrix-go,Kane-Sendgrid/hystrix-go,postfix/hystrix-go,yonglehou/hystrix-go,afex/hystrix-go