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

third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.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
 -->
 
 <link rel="import" href="../polymer/polymer.html">
 <link rel="import" href="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
 <link rel="import" href="iron-control-state.html">
 
 <script>
 
   /**
    * @demo demo/index.html
-   * @polymerBehavior
+   * @polymerBehavior Polymer.IronButtonState
    */
   Polymer.IronButtonStateImpl = {
 
     properties: {
 
       /**
        * If true, the user is currently holding down the button.
        */
       pressed: {
         type: Boolean,
@@ skipping 140 matching lines @@
     // provide hook for follow-on behaviors to react to button-state
 
     _changedButtonState: function() {
       if (this._buttonStateChanged) {
         this._buttonStateChanged(); // abstract
       }
     }
 
   };
 
-  /** @polymerBehavior Polymer.IronButtonState */
+  /** @polymerBehavior */
   Polymer.IronButtonState = [
     Polymer.IronA11yKeysBehavior,
     Polymer.IronButtonStateImpl
   ];
 
 </script>