Update to gwtjsonrpc 1.3

This also moves some code out of the server CLASSPATH,
fixing build issues in one of my hosting environments.

The change also shrinks the built WAR from 38M to 23M
by excluding the now unnecessary GWT server code.

Change-Id: Id9529f01c4dcf807a1197ac4dccb2a45507fa841
75 files changed