config_service: improve landing page

appengine/config_service/ui/bower.json

Index: appengine/config_service/ui/bower.json
diff --git a/appengine/config_service/ui/bower.json b/appengine/config_service/ui/bower.json
index fb130bdd1534a273cdb685131ff9edb78000c50b..94339644a8ad3ba27ffe12e8917e18552cf67e1a 100644
--- a/appengine/config_service/ui/bower.json
+++ b/appengine/config_service/ui/bower.json
@@ -5,10 +5,21 @@
   "dependencies": {
     "polymer": "Polymer/polymer#^2.0.0",
     "app-layout": "PolymerElements/app-layout",
-    "paper-search": "Collaborne/paper-search"
+    "paper-search": "Collaborne/paper-search",
+    "google-signin": "GoogleWebComponents/google-signin",
+    "iron-ajax": "PolymerElements/iron-ajax",
+    "paper-item": "^2.0.0",
+    "paper-icon-button": "^2.0.0",
+    "iron-icon": "^2.0.0"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^6.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0"
+  },
+  "resolutions": {
+    "polymer": "^2.0.0",
+    "iron-flex-layout": "^2.0.0",
+    "webcomponentsjs": "^1.0.0",
+    "iron-icon": "^2.0.0"
   }
 }