chore(packaging): move files to match target file structure

modules/angular2/src/core/dom/element.js

@@ -0,0 +1,13 @@
+import {DOM, Element} from 'facade/src/dom';
+import {normalizeBlank} from 'facade/src/lang';
+
+export class NgElement {
+  domElement:Element;
+  constructor(domElement:Element) {
+    this.domElement = domElement;
+  }
+
+  getAttribute(name:string) {
+    return normalizeBlank(DOM.getAttribute(this.domElement, name));
+  }
+}