Updates readme, adds node-inspector instructions.
Updates readme, adds node-inspector instructions.

larry-dean/on-http,RackHD/on-http,lanchongyizu/on-http,RackHD/on-http,keedya/on-http,RackHD/on-http,keedya/on-http,keedya/on-http,lanchongyizu/on-http,larry-dean/on-http,larry-dean/on-http,RackHD/on-http,lanchongyizu/on-http,lanchongyizu/on-http,larry-dean/on-http,keedya/on-http