This section provides an overview of what gwt is, and why a developer might want to use it.
It should also mention any large subjects within gwt, and link out to the related topics. Since the Documentation for gwt is new, you may need to create initial versions of those related topics.
As RestyGWT is a GWT generator, it will automatically create the implementation of your client interface. Under the hood it will use the RequestBuilder class to implement your calls.