confirm benchmark test with rabbitmq.
###1. set config.
$ cd comfirm-perf
$ vim src/main/java/MQConfig.java
$ mvn clean compile
###2. start consumer
$ mvn exec:java -Dexec.mainClass="Recver"
###3. start producer
$ mvn exec:java -Dexec.mainClass="ConfirmSender"
or
$ mvn exec:java -Dexec.mainClass="BatchConfirmSender"
or
$ mvn exec:java -Dexec.mainClass="AsyncConfirmSender"