Update Stats element to use new directory layout

appengine/swarming/elements/res/imp/index/swarming-index.html

 <!--
   Copyright 2016 The LUCI Authors. All rights reserved.
   Use of this source code is governed under the Apache License, Version 2.0
   that can be found in the LICENSE file.
 
   This in an HTML Import-able file that contains the definition
   of the following elements:
 
     <swarming-index>
 
@@ skipping 33 matching lines @@
         border-radius: 4px;
       }
     </style>
 
     <swarming-app
       client_id="[[client_id]]"
       auth_headers="{{_auth_headers}}"
       permissions="{{_permissions}}"
       server_version="{{_server_version}}"
       name="Swarming Server"
-      busy="[[_busy]]">
+      busy="[[_or(_busy1,busy2)]]">
 
       <h2>Service Status</h2>
       <div>Server Version: [[_server_version.server_version]]</div>
       <div>Bot Version: [[_server_version.bot_version]]</div>
       <ul>
         <li>
           <!-- TODO(kjlubick) convert these linked pages to Polymer-->
           <a href="/stats">Usage statistics</a>
         </li>
         <li>
@@ skipping 41 matching lines @@
           </li>
           <li>
             Manually:
   <pre class="command" style="margin-bottom:0">mkdir bot; cd bot
   rm -f swarming_bot.zip; curl -sSLOJ [[_host_url]]/bot_code?tok=[[_bootstrap_token]]
   python swarming_bot.zip</pre>
           </li>
         </ol>
       </div>
 
+      <!-- TODO(kjlubick): Enable this when the stats endpoint uses oauth
       <h2>Stats</h2>
-      <div>TODO(kjlubick) add these in</div>
-
-
+      <div class="stats">
+        <stats-overview
+          auth_headers=[[_auth_headers]]
+          busy="{{_busy2}}">
+        </stats-overview>
+      </div>
+      -->
     </swarming-app>
 
   </template>
   <script>
     Polymer({
       is: 'swarming-index',
 
       behaviors: [
           SwarmingBehaviors.CommonBehavior,
       ],
 
       properties: {
         client_id: {
           type: String,
         },
 
 
         _auth_headers: {
           type: String,
         },
         _bootstrap_token: {
           type: String,
           value: "...",
         },
-        _busy: {
+        _busy1: {
           type: Boolean,
           value: false,
         },
+        _busy2: {
+          type: Boolean,
+          value: false,
+        },
         _host_url: {
           type: String,
           value: function() {
             return location.origin;
           },
         },
         _permissions: {
           type: Object,
         },
         _project_id: {
@@ skipping 12 matching lines @@
 
 
       _cannotBootstrap: function(permissions) {
         return !(permissions && permissions.get_bootstrap_token);
       },
 
       _fetchBootstrap: function(permissions, auth_headers) {
         if (!auth_headers || !permissions || this._cannotBootstrap(permissions)) {
           return;
         }
-        this.set("_busy", true);
+        this.set("_busy1", true);
 
         sk.request("POST", "/_ah/api/swarming/v1/server/token", undefined, auth_headers).then(JSON.parse).then(function(t) {
           this.set("_bootstrap_token", t.bootstrap_token);
-          this.set("_busy", false);
+          this.set("_busy1", false);
         }.bind(this)).catch(function(reason) {
           console.log("Could not get token", reason);
-          this.set("_busy", false);
+          this.set("_busy1", false);
         }.bind(this));
       },
 
       _makeInstancesUrl: function(details, project_id) {
         return "https://console.cloud.google.com/appengine/instances?project="+
             project_id+"&versionId="+details.server_version;
       },
 
       _makeErrorUrl: function(project_id) {
         return "https://console.cloud.google.com/errors?project="+
             project_id;
       },
 
       _makeLogUrl: function(project_id) {
         return "https://pantheon.corp.google.com/logs/viewer?filters=text:status:500..599&project="+
             project_id;
       },
 
     });
   </script>
 </dom-module>