#393 移动redis代码到独立模块
#393 新的Connection定义及Pool
#393 add race condition when pool init and switch
#393 move the elector and scheduler to new package
#393 补充JedisTemplate和JedisSharedTemplate的方法
#393 增加Pipeline内运行的回调函数接口
#393 rollback race condition,only wait for init
#393 增加sharding key接口，支持一个Action里访问多个Key