add refresh_token
add refresh_token

weixiaofeng1987/test,foolself/sinaweibopy,virqin/sinaweibopy,michaelliao/sinaweibopy,shengnwen/sinaweibopy,owenyang0/sinaweibopy,JayYangSS/sinaweibopy,qazmichaelgw/sinaweibopy,ZhQYuan/sinaweibopy,lynnegithub/sinaweibopy,wandouqiang/sinaweibopy,ymero/sinaweibopy,owenyang0/sinaweibopy,xingguang2013/sinaweibopy,frankblack7410/sinaweibopy,CodeJuan/sinaweibopy,fiona22/sinaweibopy,liujianpc/sinaweibopy