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

pkg/template_binding/lib/src/list_diff.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library mdv.src.list_diff;
+library template_binding.src.list_diff;
 
 import 'dart:math' as math;
 import 'package:observe/observe.dart' show ListChangeRecord;
 
 /**
  * A summary of an individual change to a [List].
  *
  * Each delta represents that at the [index], [removed] sequence of items were
  * removed, and counting forward from [index], [addedCount] items were added.
  *
@@ skipping 243 matching lines @@
         oldIndex++;
         break;
     }
   }
 
   if (splice != null) {
     splices.add(splice);
   }
   return splices;
 }