Update nodejs to version 8.4.0
Update nodejs to version 8.4.0

toxeus/scoop,nikolasd/scoop,Cyianor/scoop,lukesampson/scoop,rasa/scoop,kodybrown/scoop,berwyn/scoop,Congee/scoop,vidarkongsli/scoop,coonce/scoop,yunspace/scoop,reelsense/scoop