增加log4j作为日志系统，及编写了一个简单的日志测试代码
修改了.gitignore文件，屏蔽.log文件
Merge remote-tracking branch 'origin/master' into develop
测试log4j的各项属性
重构系统ing
进一步重构代码
temp
del source files in seagochen package, new interface named as Listener
temp
对重构代码进一步完善，MQ收发类完善中
fixed some bugs
added log4j to lib
Merge branch 'develop'
fixed