Merge pull request dglazkov#14 from spartakit/master

Merging this so Dimitri doesn't get annoyed with me. :)

src/components-polyfill.js

@@ -39,7 +39,7 @@ scope.Declaration.prototype = {
 
   generateConstructor: function() {
     var tagName = this.element.extendsTagName;
-    var created = this.element.created;
+    var created = this.created;
     var extended = function() {
       var element = document.createElement(tagName);
       extended.prototype.__proto__ = element.__proto__;