Added base template for config ui.

appengine/config_service/ui/bower_components/webcomponentsjs/tests/imports/a1-reference.html

Index: appengine/config_service/ui/bower_components/webcomponentsjs/tests/imports/a1-reference.html
diff --git a/appengine/config_service/ui/bower_components/webcomponentsjs/tests/imports/a1-reference.html b/appengine/config_service/ui/bower_components/webcomponentsjs/tests/imports/a1-reference.html
new file mode 100644
index 0000000000000000000000000000000000000000..908edc951aba85e80b1adabe7c2f45a8868a3b6b
--- /dev/null
+++ b/appengine/config_service/ui/bower_components/webcomponentsjs/tests/imports/a1-reference.html
@@ -0,0 +1,19 @@
+<!--
+@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
+-->
+<link rel="import" href="a1-instance.html">
+<a-1></a-1>
+<script>
+  // can reference upgraded instance in previous import when this script runs
+  var currentScript = document._currentScript || document.currentScript;
+  var l = currentScript.ownerDocument.querySelector('link');
+  var a1 = l.import.querySelector('a-1');
+  window.a1 = a1;
+  window.isA1Upgraded = a1.isA1;
+</script>