Added command to select target position for robot - command can be accessed via a right-click in the 3D View perspective --Lionel

added functions to create global waypoinst, modifying the WaypointList class, MapWidget and MainWindows.

add the functionality to erase the list of Waypoint widget (WaypointView) from the button of the WaypointList widget

Changed NUM_OUTPUT_SIGNALS to an const unsigned short from a #define and moved its definition into OpalRT.h from OpalLink.h so that the configuration would all be in one place.

add widget WaypointView to widget WaypointList when create a waypoint with mouse over the map

Working on QGraphicsView-based local waypoints interface supporting drag-and-drop, commented code, fixed Google Maps interface, added mouse and SpinBox zoom to HSIWidget, fixed MAV-based coloring and stylesheets - MEGA COMMIT