SmoothScoller no Plugin
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-smooth-scroll/1.7.2/jquery.smooth-scroll.min.js"></script>
<script>
jQuery(document).ready(function($) {
// So this will enable any on page links a smoothscroll to their same page destinations
// More usage - https://github.com/kswedberg/jquery-smooth-scroll
$('a').smoothScroll();
});
</script>