Update bower.json for Polymer elements and add PRESUBMIT.py

third_party/polymer/v1_0/components/neon-animation/neon-animation-behavior.html

 <!--
 @license
 Copyright (c) 2015 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
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@@ skipping 60 matching lines @@
       var prefixes = map[property];
       for (var prefix, index = 0; prefix = prefixes[index]; index++) {
         node.style[prefix] = value;
       }
       node.style[property] = value;
     },
 
     /**
      * Called when the animation finishes.
      */
-    complete: function() {
-      // FIXME not sure about non-bubbling event
-      this.fire(this.animationEndEvent, null, {bubbles: false});
-    }
+    complete: function() {}
 
   };
 
 </script>