Update most visible AngularDart pages to 2.0

Author: kwalrath

public/docs/_examples/quickstart/dart/pubspec.yaml

@@ -5,7 +5,8 @@ version: 0.0.1
 environment:
   sdk: '>=1.19.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.22
+  angular2: ^2.0.0
+dev_dependencies:
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:

public/docs/dart/latest/_data.json

@@ -4,7 +4,7 @@
     "title": "Angular Docs",
     "subtitle": "Dart",
     "menuTitle": "Docs Home",
-    "banner": "Angular release is <b>beta.22</b>. View the <a href='https://github.com/dart-lang/angular2/blob/master/CHANGELOG.md' target='_blank'>change log</a> to see enhancements, fixes, and breaking changes."
+    "banner": "AngularDart is <b>2.0</b>. View the <a href='https://github.com/dart-lang/angular2/blob/master/CHANGELOG.md' target='_blank'>change log</a> to see enhancements, fixes, and breaking changes."
   },
 
   "quickstart": {

public/docs/dart/latest/api/_data.json

@@ -1,5 +1,5 @@
 {
   "index" : {
-    "title" : "API 2.0 Preview"
+    "title" : "API Reference"
   }
-}
+}

public/docs/dart/latest/api/index.jade

@@ -1,9 +1,5 @@
 :marked
-  > **WARNING:** API documentation is preliminary and subject to change.
-
-  > **Known issues:** Although this generated API reference displays Dart
-  APIs, individual pages sometimes describe TypeScript APIs accompanied with
-  TypeScript code. The angular.io issue tracker contains [all known
+  > **Known issues:** The angular.io issue tracker contains [all known
   issues][api-issues]; if you notice others, please [report
   them][new-issue]. Thanks!
 

public/docs/dart/latest/quickstart.jade

@@ -30,7 +30,6 @@ block package-and-config-files
     packages as dependencies, as well as the `angular2` transformer.
     It can also specify other packages and transformers for the app to use,
     such as [dart_to_js_script_rewriter](https://pub.dartlang.org/packages/dart_to_js_script_rewriter).
-    Angular 2 is still changing, so provide an exact version: **2.0.0-beta.22**.
 
     [pubspec]: https://www.dartlang.org/tools/pub/pubspec.html