Added config aliases "retries", "acks" (#157)
Added config aliases "retries", "acks" (#157)

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