GWT 2.5.1
Merge branch 'AAA-trunk' of github.com:geomajas/geomajas-project-client-gwt2 into AAA-trunk
Merge branch 'AAA-trunk' of git@github.com:geomajas/geomajas-project-client-gwt2.git into AAA-trunk
GEP-83: validation works for holes now + some refactoring