it's a veeeery old thread, but seems many ppl still have the same problem,
so regarding 1:
You received this message because you are subscribed to the Google Groups "GWT
To unsubscribe from this group and stop receiving emails from it, send an email
To post to this group, send email to firstname.lastname@example.org.
Visit this group at https://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.