[maven-release-plugin] prepare release geomajas-gwt2-quickstart-application-2.3.0
[maven-release-plugin] prepare release geomajas-gwt2-quickstart-application-2.3.0

yflement/geomajas-gwt2-quickstart-application,geomajas/geomajas-gwt2-quickstart-application,geomajas/geomajas-gwt2-quickstart-application,yflement/geomajas-gwt2-quickstart-application