update polymer, nodebind, and templatebinding

pkg/polymer/test/event_handlers_test.html

Index: pkg/polymer/test/event_handlers_test.html
diff --git a/pkg/polymer/test/event_handlers_test.html b/pkg/polymer/test/event_handlers_test.html
index 94dc475f2961d44e3cd3e777d6462666f95978cf..54bfa16e7a603bd2f7d9bb108aa2a403f6aca354 100644
--- a/pkg/polymer/test/event_handlers_test.html
+++ b/pkg/polymer/test/event_handlers_test.html
@@ -23,10 +23,8 @@
   <polymer-element name="x-test" on-tap="{{hostTapAction}}">
     <template>
       <style>
-        @host {
-          * {
-            display: block;
-          }
+        :host {
+          display: block;
         }
         .gradient {
           background: -webkit-gradient(linear, left top, left bottom,
@@ -45,11 +43,10 @@
            on-scroll="{{scrollAction}}">
         <div class="gradient">
           <template repeat="{{list1}}">
-            <div class="list1" on-tap="{{itemTapAction}}">a {{index}}</div>
+            <div class="list1" on-tap="{{itemTapAction}}">{{index}}</div>
           </template>
           <template repeat="{{item in list2}}">
-            <div class="list2"
-                on-tap="{{@item.itemTapAction}}">b {{item.index}}</div>
+            <div class="list2" on-tap="{{itemTapAction}}">{{item.index}}</div>
           </template>
         </div>
       </div>