show master addresss for status, fix bug for Unit conversion in json, update doc
show master addresss for status, fix bug for Unit conversion in json, update doc

Kai-Zhang/galaxy,taotaowill/galaxy,taotaowill/galaxy,baidu/galaxy,May2016/galaxy,taotaowill/galaxy,baidu/galaxy,Kai-Zhang/galaxy,Kai-Zhang/galaxy,May2016/galaxy,baidu/galaxy,May2016/galaxy