Tell travis to use node 4.1
Tell travis to use node 4.1

dalelotts/angular-bootstrap-datetimepicker,trence/angular-bootstrap-datetimepicker,dalelotts/angularjs-bootstrap-datetimepicker,trence/angular-bootstrap-datetimepicker,dalelotts/angularjs-bootstrap-datetimepicker,dalelotts/angular-bootstrap-datetimepicker,dalelotts/angular-bootstrap-datetimepicker