First group of routing examples

example/angular/routing/accessing_route_params_within_components/my_controller.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 my_controller;
 
 import 'package:angular/angular.dart';
+import 'book.dart' show Book;
 
 @NgController(
     selector: '[my-controller]',
     publishAs: 'ctrl'
 )
 class MyController {
-  Map<String, bool> classesMap = {
-    'bold': false,
-    'strike': false,
-    'red': false
+  Map<String, Book> bookMap = {
+    "1": new Book('War and Peace', 'A really long book'),
+    "2": new Book('The Old Man and the Sea', 'A really short book')
   };
-}
+}