npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

bower_components/paper-icon-button/pulse-ink.css

-/*
- * @license
- * Copyright (c) 2014 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
- */
-
-@-webkit-keyframes pulse-ink {
-  0% {
-    -webkit-transform: scale(0);
-    opacity: 0;
-  }
-  100% {
-    -webkit-transform: scale(1);
-    opacity: 0.9;
-  }
-}