rdkafka_example: print message content in delivery callback
rdkafka_example: print message content in delivery callback

janmejay/librdkafka,orthrus/librdkafka,janmejay/librdkafka,senior7515/librdkafka,senior7515/librdkafka,orthrus/librdkafka,senior7515/librdkafka,senior7515/librdkafka,janmejay/librdkafka,janmejay/librdkafka,orthrus/librdkafka,orthrus/librdkafka