Implement events handling of kinetic scroll view the same way as in Mx
Implement events handling of kinetic scroll view the same way as in Mx

The implementation in Mx is superior to the tidy implementation
(which tends to do strange things with the mouse events) so let's use it.

PabloCastellano/libchamplain,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,PabloCastellano/libchamplain,PabloCastellano/libchamplain,GNOME/libchamplain,StanciuMarius/Libchamplain-map-wrapping,Distrotech/libchamplain,StanciuMarius/Libchamplain-map-wrapping,StanciuMarius/Libchamplain-map-wrapping,PabloCastellano/libchamplain,GNOME/libchamplain,Distrotech/libchamplain,PabloCastellano/libchamplain