Merge branch 'master' into release/6.4.0

diff --cc docs/pages/grid.md
Simple merge

diff --cc docs/pages/orbit.md
Simple merge

diff --cc js/foundation.responsiveAccordionTabs.js
index 58e082d7fa967e7450c61f4b1930bd8c0d0cfa76,f08198ad52aba13d92ea45eee5e51802abdcc66e..03c435c8663033e0b452b35dbd1e67fa33360fc5
--- 1/js/foundation.responsiveAccordionTabs.js
--- 2/js/foundation.zf.responsiveAccordionTabs.js
+++ b/js/foundation.responsiveAccordionTabs.js
@@@ -34,10 -17,10 +34,10 @@@ class ResponsiveAccordionTabs extends P
     * Creates a new instance of a responsive accordion tabs.
     * @class
     * @fires ResponsiveAccordionTabs#init
-    * @param {jQuery} element - jQuery object to make into a dropdown menu.
+    * @param {jQuery} element - jQuery object to make into Responsive Accordion Tabs.
     * @param {Object} options - Overrides to the default plugin settings.
     */
 -  constructor(element, options) {
 +  _setup(element, options) {
      this.$element = $(element);
      this.options  = $.extend({}, this.$element.data(), options);
      this.rules = this.$element.data('responsive-accordion-tabs');