Rename mdv -> template_binding, remove experiemntal apis from dart:html

pkg/polymer_expressions/example/streams/mouse_resize_image.html

Index: pkg/polymer_expressions/example/streams/mouse_resize_image.html
diff --git a/pkg/polymer_expressions/example/streams/mouse_resize_image.html b/pkg/polymer_expressions/example/streams/mouse_resize_image.html
index a056d2ebe53627def66ab0fb7a84b808d1e1dbc8..2021ec1f4f6efe2c53d299a2e307fd7bf0ca84df 100644
--- a/pkg/polymer_expressions/example/streams/mouse_resize_image.html
+++ b/pkg/polymer_expressions/example/streams/mouse_resize_image.html
@@ -19,15 +19,13 @@ BSD-style license that can be found in the LICENSE file.
       import 'package:mdv/mdv.dart' as mdv;
 
       main() {
-        mdv.initialize();
-
         var globals = {
           'mouse': document.onMouseMove,
           'mouseMax':
               document.onMouseMove.map((e) => max(e.offsetX, e.offsetY)),
         };
 
-        query('#test')
+        templateBind(query('#test'))
             ..bindingDelegate = new PolymerExpressions(globals: globals)
             ..model = null;
       }