Fixes issue http://code.google.com/p/google-web-toolkit/issues/detail?id=5578

Restores the domain class upcasting behavior of RequestFactoryServlet,
which is relied upon by our UserInformation class.

Also fixes the fact that UserInformation never provided a finder
method, which we're now less forgiving of. Really, though,
UserInformation should be a value object, not a proxy at all. It acts
the way it does to hack around our lack of such things.

Also introduces unit tests to ensure that UserInformation and
LoggingService keep working.

Review at http://gwt-code-reviews.appspot.com/1098801

Review by: robertvawter@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9254 8db76d5a-ed1c-0410-87a9-c151d255dfc7
8 files changed