chore(travis): Set nodeJS to latest
chore(travis): Set nodeJS to latest

GuilhouT/angular-gantt,angular-gantt/angular-gantt,hetz/angular-gantt,hetz/angular-gantt,angular-gantt/angular-gantt,angular-gantt/angular-gantt,GuilhouT/angular-gantt,hinablue/angular-gantt,JJediny/angular-gantt,hinablue/angular-gantt,JJediny/angular-gantt