fix typo / doc components.html responsive menu dropdowns now have ref to .dropdown-header instead of .nav-header
fix typo / doc components.html responsive menu dropdowns now have ref to .dropdown-header instead of .nav-header

BS3 commit bbe0d0d87460cf99262c8fec1e8e9bca69258aec

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