Update index-nw to stop using socket.io
Update index-nw to stop using socket.io

franela/play-with-docker,franela/play-with-docker,franela/play-with-docker,play-with-docker/play-with-docker,play-with-docker/play-with-docker,play-with-docker/play-with-docker,play-with-docker/play-with-docker,franela/play-with-docker