added dependency on node 5.9.x to package.json
added dependency on node 5.9.x to package.json

Restuta/rcn.io,Restuta/rcn.io,AlexanderKapelyukhovskiy/rcn.io,AlexanderKapelyukhovskiy/rcn.io,AlexanderKapelyukhovskiy/rcn.io,Restuta/rcn.io