Implement Mapstraction.mousePosition for MapQuest and MapQuest open (which don't support the mouse-move event) via an onmousemove handler on the map div itself.
Fix jslint errors (result is already defined at line 52) from Pull Request #204
Manual merge of Pull Request #203 from @gilesc50 (Upgraded the mapquest geocoder to work with the mapquestv7 api)