npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

polymer_0.4.0/bower_components/core-layout-trbl/core-layout-trbl.html

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         Object.keys(styles).forEach(function(k){
           style[k] = styles[k];
         });
       }
 
   });
 
   </script>
 
 </polymer-element>