Added base template for config ui.

appengine/config_service/ui/bower_components/webcomponentsjs/src/unresolved.js

+/**
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
+(function() {
+  'use strict';
+  // It's desireable to provide a default stylesheet
+  // that's convenient for styling unresolved elements, but
+  // it's cumbersome to have to include this manually in every page.
+  // It would make sense to put inside some HTMLImport but
+  // the HTMLImports polyfill does not allow loading of stylesheets
+  // that block rendering. Therefore this injection is tolerated here.
+  //
+  // NOTE: position: relative fixes IE's failure to inherit opacity
+  // when a child is not statically positioned.
+  var style = document.createElement('style');
+  style.textContent = ''
+      + 'body {'
+      + 'transition: opacity ease-in 0.2s;'
+      + ' } \n'
+      + 'body[unresolved] {'
+      + 'opacity: 0; display: block; overflow: hidden; position: relative;'
+      + ' } \n'
+      ;
+  var head = document.querySelector('head');
+  head.insertBefore(style, head.firstChild);
+
+})();