go-nsq: speed up Writer heartbeat test and cleanup Writer exit
go-nsq: only send on readyChan when it's a message
go-nsq: IsStarved should use *last* RDY count
go-nsq: auto-reconnect when using hard-coded nsqd addrs
go-nsq: redistribute RDY state when num_conns > max_in_flight
Merge pull request #169 from mreiferson/go_nsq_improvements_169

go-nsq: Reader improvements