Added "dispose" support when page change begins in communicator-client to gracefully terminate.
Updated communicator-server to avoid synchronization whenever possible.
Added additional "know type" for ContentType.CSV.
Modified HandlerListener to extend from HttpHandler for better mix-in and re-usability support.
Added convenience feature to create a redirect in an HttpResponse.
Added Location and Content-Disposition convenience features in HttpResponseHeaders.
Added convenience isXxx in HttpResponseStatus to generically evaluate the status type.
Added feature to allow contextualization passing another context.
Removed generation of docs from communicator-client and updated to latest version of GWT.