docs(dart): b3 -> b6

plus make a few outlier pubspec.yamls more consistent

closes #833

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

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/attribute-directives/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/displaying-data/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

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

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/hierarchical-dependency-injection/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/lifecycle-hooks/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

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

@@ -1,11 +1,16 @@
+# #docregion
 name: pipe_examples
 description: Pipes Example
 version: 0.0.1
+environment:
+  sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
+  dart_to_js_script_rewriter: ^0.1.0
 transformers:
 - angular2:
     platform_directives: 'package:angular2/src/common/directives.dart#CORE_DIRECTIVES'
     platform_pipes: 'package:angular2/common.dart#COMMON_PIPES'
     entry_points: web/main.dart
+- dart_to_js_script_rewriter

public/docs/_examples/quickstart/dart/ex1/pubspec.yaml

@@ -1,10 +1,11 @@
 # #docregion
 name: angular2_getting_started
+description: QuickStart
 version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
 transformers:
 - angular2:

public/docs/_examples/quickstart/dart/ex2/pubspec.yaml

@@ -1,10 +1,11 @@
 # #docregion
 name: angular2_getting_started
+description: QuickStart
 version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/structural-directives/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/template-syntax/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/_examples/user-input/dart/pubspec.yaml

@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.3
+  angular2: 2.0.0-beta.6
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^0.1.0
 transformers:

public/docs/dart/latest/quickstart.jade

@@ -41,7 +41,7 @@ p.
     specify the angular2 and browser packages as dependencies,
     as well as the angular2 transformer.
     Angular 2 is still changing, so provide an exact version:
-    <b>2.0.0-beta.3</b>.
+    <b>2.0.0-beta.6</b>.
 
   +makeExample('quickstart/dart/ex1/pubspec.yaml', null, 'pubspec.yaml')