fix Angular2 bundle
fix Angular2 bundle

yanivefraim/angular2-bootstrap,yanivefraim/angular2-bootstrap,truongminh/angular2-bootstrap,mlaval/angular2-bootstrap,mlaval/angular2-bootstrap,yanivefraim/angular2-bootstrap,mlaval/angular2-bootstrap,truongminh/angular2-bootstrap,truongminh/angular2-bootstrap