pkg/js: prepare for 0.6.0 release

pkg/js/README.md

Index: pkg/js/README.md
diff --git a/pkg/js/README.md b/pkg/js/README.md
index 4bf89be3df85a0dc78739ea2ca1ce7505b682d2f..3ba66d1c479a7994039e8713f6cef7b7df543686 100644
--- a/pkg/js/README.md
+++ b/pkg/js/README.md
@@ -1,8 +1,8 @@
 Methods and annotations to specify interoperability with JavaScript APIs.
 
-*Note: This package is beta software.*
+*This packages requires Dart SDK 1.13.0.*
 
-*Note: This packages requires Dart SDK `>=1.13.0-dev.7`.*
+*This is beta software. Please files [issues].*
 
 ### Adding the dependency
 
@@ -10,19 +10,16 @@ Add the following to your `pubspec.yaml`:
 
 ```yaml
 dependencies:
-  js: ^0.6.0-beta
+  js: ^0.6.0
 ```
 
-#### Passing functions to JavaScript.
-
-If you are passing a Dart function to a JavaScript API, you must wrap it using
-`allowInterop` or `allowInteropCaptureThis`.
-
-### Examples
+### Example
 
 See the [Chart.js Dart API](https://github.com/google/chartjs.dart/) for an
 end-to-end example.
 
+### Usage
+
 #### Calling methods
 
 ```dart
@@ -91,9 +88,14 @@ class Options {
 }
 ```
 
+#### Passing functions to JavaScript.
+
+If you are passing a Dart function to a JavaScript API, you must wrap it using
+`allowInterop` or `allowInteropCaptureThis`.
+
 ## Contributing and Filing Bugs
 
-Please file bugs and features requests on the [Github issue tracker](https://github.com/dart-lang/sdk/issues).
+Please file bugs and features requests on the [Github issue tracker][issues].
 
 We also love and accept community contributions, from API suggestions to pull requests.
 Please file an issue before beginning work so we can discuss the design and implementation.
@@ -101,3 +103,5 @@ We are trying to create issues for all current and future work, so if something
 
 Code contributors must sign the
 [Google Individual Contributor License Agreement](https://developers.google.com/open-source/cla/individual?csw=1).
+
+[issues]: https://goo.gl/j3rzs0