MAJ-1053 remove more references to 1.8.0 backend
MAJ-1053 remove more references to 1.8.0 backend

geomajas/geomajas-project-client-gwt,geomajas/geomajas-project-server,geomajas/geomajas-project-client-gwt2,geomajas/geomajas-project-server,geomajas/geomajas-project-client-gwt2,geomajas/geomajas-project-client-gwt,geomajas/geomajas-project-client-gwt,geomajas/geomajas-project-server