Exit with 1 if any messages fails delivery (issue #36)
Exit with 1 if any messages fails delivery (issue #36)

pugna0/kafkacat,yiliaofan/kafkacat,yiliaofan/kafkacat,imcom/kafkacat,imcom/kafkacat,slimhazard/kafkacat,slimhazard/kafkacat,wikimedia/operations-debs-kafkacat,pugna0/kafkacat,wikimedia/operations-debs-kafkacat