contributing encapsulates testing

Author: ajjahn

README.md

@@ -79,21 +79,17 @@ Version 0.9.0 of `react.rb` **will not be** 100% backward compatible with 0.3.0
 
 Please let us know either at [Gitter.im](https://gitter.im/zetachang/react.rb) or [via an issue](https://github.com/zetachang/react.rb/issues) if you have specific concerns with the upgrade from 0.3.0 to 0.9.0.
 
-## Developing
+## Contributing
 
+This project is still in early stage, so discussion, bug reports and PRs are
+really welcome :wink:.   
 
-## Testing
+#### Testing react.rb
 
 1. `bundle install`
 2. `bundle exec rake test_app` to generate a dummy test app.
 3. `bundle exec rake`
 
-## Contributions
-
-This project is still in early stage, so discussion, bug reports and PRs are
-really welcome :wink:.   
-
-
 ## License
 
 In short, React.rb is available under the MIT license. See the LICENSE file for