update to latest

templates/web-polymer/lib/main_app.dart

@@ -18,7 +18,7 @@ class MainApp extends PolymerElement {
   /// Constructor used to create instance of MainApp.
   MainApp.created() : super.created();
 
-  @eventHandler
+  @reflectable
   String reverseText(String text) {
     return text.split('').reversed.join('');
   }

templates/web-polymer/pubspec.yaml

@@ -9,9 +9,9 @@ environment:
 
 dependencies:
   browser: ^0.10.0
-  polymer_elements: ^1.0.0-rc1
-  polymer: ^1.0.0-rc1
-  reflectable: 0.2.0
+  polymer_elements: ^1.0.0-rc.1
+  polymer: ^1.0.0-rc.1
+  reflectable: ^0.3.1
   web_components: ^0.12.0
 
 transformers: