Upgrade to Node 8 on Travis (#4945)
Upgrade to Node 8 on Travis (#4945)


bma73/pixi.js,englercj/pixi.js,ceco-fmedia/pixi.js,bma73/pixi.js,sfinktah/pixi.js,sfinktah/pixi.js,ceco-fmedia/pixi.js,englercj/pixi.js