Updates npm version to 6.0.0
Updates npm version to 6.0.0

ctrlplusb/react-universally,ueno-llc/starter-kit-universally,pebie/react-universally-node-config,brettsnaidero/bsd,LorbusChris/react-universally,deanslamajr/trakta.co,kennethtruong/react-webapp,diondirza/react-universally,ueno-llc/starter-kit-universally,igorsvee/react-ssr,sergiokopplin/react-universally,oyeanuj/react-universally