1. for running in embeded jetty(with multi-resource context), avoid using the method: getRealPath()
1. Change OpenXava's web resource(*.js, js, image, style) into "xava" folder, to keep the same directory structure as deploied, for make run properly in jetty multi-resource context;
2. Add the standard OpenXava application "TestApp" for development test;
3. Other change to running in embeded jetty;