golang: sarama 链接Kafka

test
--------------main.go
--------------setting.json
--------------common
------------------------common/kafka
------------------------common/kafka/consumer.go
------------------------common/kafka/data.go
------------------------common/kafka/kafka_setting.go
------------------------common/kafka/producer.go
--------------common/spec
------------------------common/spec/aormode.go
------------------------common/spec/auth.go
------------------------common/spec/consumer.go
------------------------common/spec/msg.go
------------------------common/spec/producer.go
------------------------producer.go —使用