text x-clear button and new $tpl property in inputs, need tests

src/inputs/list.js

@@ -14,8 +14,9 @@ List - abstract class for inputs that have source option loaded from js array or
 
     $.extend(List.prototype, {
         render: function () {
-            List.superclass.render.call(this);
             var deferred = $.Deferred();
+            this.$tpl = $(this.options.tpl);
+            this.$input = this.$tpl; //will be set in renderList
             this.error = null;
             this.sourceData = null;
             this.prependData = null;