gwt4nb running on Netbeans 7.0.1 with GWT2.3 support

I added gwt4nb (trunk 2.10.3) support to the Netbeans 7.0.1 and GWT2.3.

Patch: gwt4nb_21031_ksfreitas.patch

Compiled module: gwt4nb_21031_ksfreitas.nbm

Thanks to Eddydata Tecnologia e Gestão