GWT-447: mouse changes to pointer when hovering over pan/zoom widgets. Also added css classes to the widgets.
AAA-43: in plugin editing javascript, add listerner for changes of geometry.
Added version of google library in geomajas-gwt pom
GEP-67: on selection of a vertex, change context menu to customizable menu.
GEP-69: extend operations for vertex contect menu; also added to the javascript api
GEP-69: checkstyle errors
Merge remote-tracking branch 'origin/master'