ci(travis.yml): Update the version of firefox and node
ci(travis.yml): Update the version of firefox and node

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