Merge pull request #499 from 2is10/dropdown_position

using the token list's offset height (border-box height)...

Author: loopj

src/jquery.tokeninput.js

@@ -785,9 +785,9 @@ $.TokenList = function (input, url_or_data, settings) {
         dropdown
             .css({
                 position: "absolute",
-                top: $(token_list).offset().top + $(token_list).height(),
-                left: $(token_list).offset().left,
-                width: $(token_list).width(),
+                top: token_list.offset().top + token_list[0].getBoundingClientRect().height,
+                left: token_list.offset().left,
+                width: token_list.width(),
                 'z-index': $(input).data("settings").zindex
             })
             .show();