buffered result chans to try working around deadlock in testing
buffered result chans to try working around deadlock in testing

drewkerrigan/mesos-go,jrslv/mesos-go,tnachen/mesos-go,ilackarms/mesos-go,mesos/mesos-go,chrisjs/mesos-go,oxtoacart/mesos-go,mesosphere/mesos-go,basho-labs/mesos-go,tnachen/go-mesos,jdef/mesos-go