npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

polymer_0.4.0/bower_components/core-header-panel/core-header-panel.html

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 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
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 <!--
@@ skipping 257 matching lines @@
             main.scrollHeight < this.$.outerContainer.offsetHeight);
       }
 
       this.fire('scroll', {target: this.scroller}, this, false);
     }
 
   });
 
 </script>
 </polymer-element>