docs(displaying-data): update Dart version to alpha.47

Per feedback on #195.

closes #443

public/docs/dart/latest/guide/displaying-data.jade

@@ -42,7 +42,7 @@
       description: Dart version of Angular 2 example, Displaying Data
       version: 0.0.1
       dependencies:
-        angular2: 2.0.0-alpha.45
+        angular2: 2.0.0-alpha.47
         browser: ^0.10.0
       transformers:
       - angular2:
@@ -262,11 +262,11 @@
 
   p.
     Next, make FriendsService available to dependency injection
-    by adding a <code>viewBindings</code> parameter to DisplayComponent's
+    by adding a <code>viewProviders</code> parameter to DisplayComponent's
     <code>@Component</code> annotation:
 
   code-example(language="dart").
-    @Component(selector: 'display', <span class="pnk">viewBindings: const [FriendsService]</span>)
+    @Component(selector: 'display', <span class="pnk">viewProviders: const [FriendsService]</span>)
 
 .l-main-section
   h2#Conditionally-displaying-data-with-NgIf Conditionally display data using *ng-if
@@ -300,7 +300,7 @@
       import 'package:angular2/angular2.dart';
       import 'package:displaying_data/friends_service.dart';
 
-      @Component(selector: 'display', viewBindings: const [FriendsService])
+      @Component(selector: 'display', viewProviders: const [FriendsService])
       @View(template: '''
       &lt;p&gt;My name: {{ myName }}&lt;/p&gt;
       &lt;p&gt;Friends:&lt;/p&gt;
@@ -353,7 +353,7 @@
       description: Displaying Data example
       version: 0.0.1
       dependencies:
-        angular2: 2.0.0-alpha.45
+        angular2: 2.0.0-alpha.47
         browser: ^0.10.0
       transformers:
       - angular2: