rename web_components -> web_ui

build.dart

 #!/usr/bin/env dart
 // Copyright (c) 2012, 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.
 
 /** Build logic that lets the Dart editor build examples in the background. */
 library build;
-import 'package:web_components/component_build.dart';
+import 'package:web_ui/component_build.dart';
 import 'dart:io';
 
 void main() {
   build(new Options().arguments, [
     'example/component/news/index.html',
     'example/explainer/clickcount.html',
     'example/explainer/countcomponent.html',
     'example/explainer/countcomponent5.html',
     'example/explainer/counter.html',
     'example/explainer/fruitsearch.html',
     'example/explainer/helloworld.html',
     'example/explainer/matchstrings.html',
     'example/explainer/redbox.html',
     'example/explainer/tableif.html',
     'example/explainer/twoway.html',
     'example/explainer/tictactoe.html',
     'example/mdv/forms_validation/forms_validation.html',
     'example/mdv/hidden/hidden.html',
     'example/mdv/hidden2/hidden2.html',
     'example/mdv/model/main.html',
     'example/mdv/table/table.html',
     'example/mdv/style/style.html',
     'example/todomvc/main.html']);
 }