Revert "Rename polymer and cr_elements v0_8 to v1_0"

third_party/polymer/v0_8/components/iron-signals/iron-signals.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
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 <link rel="import" href="../polymer/polymer.html">
@@ skipping 61 matching lines @@
     });
   }
 
   // signal listener at document
   document.addEventListener('iron-signal', function(e) {
     notify(e.detail.name, e.detail.data);
   });
 
 })();
 </script>