nsqd: only try 2x for ephemeral channel sub race; extend timeout to 100ms
nsqd: only try 2x for ephemeral channel sub race; extend timeout to 100ms

bitly/nsq,rpau/nsq,ploxiln/nsq,mreiferson/nsq,nsqio/nsq,nsqio/nsq,rpau/nsq,ploxiln/nsq,bitly/nsq,bitly/nsq,ploxiln/nsq,ploxiln/nsq,mreiferson/nsq,rpau/nsq,ploxiln/nsq,nsqio/nsq,bitly/nsq,mreiferson/nsq,rpau/nsq,mreiferson/nsq,bitly/nsq,nsqio/nsq,mreiferson/nsq,nsqio/nsq,rpau/nsq