fix invalid HTML in components.html. type="button" doesn't make sense for an <a>
fix invalid HTML in components.html. type="button" doesn't make sense for an <a>

BS3 commit: 1d20611d54e813884f3d85a35ccec81add12c6fa

todc/todc-bootstrap,2947721120/googlebt4,ztx1491/todc-bootstrap,mozillo/todc-bootstrap,2947721120/todc-bootstrap,aaroncnhk/todc-bootstrap,todc/todc-bootstrap,todc/todc-bootstrap,up2vs/todc-bootstrap