Plus lots of other cleanup

Removed the UnconnectedUASInfoWidget class as it could be replaced with a simple QLabel with the same functionality. Also styled the NO UAS warning on the ReadOnly mission view so it looks good in both dark and light themes.

view only" functions and renamed some of the old functions. This version compiles, but has a lot of bugs.

separation of the view of the local operator of the view of the global operator adding the view of global operator.
add the functionality to draw a waypoints on the map when they are generated from widget waypointlist.

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

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

Cleaned up and commented major code parts. Refactoring HDD and HSI widgets to support QGraphicsView drag-and-drop, tested multi-MAV support more intensely, currently adding the system coloring to all widgets

Major refactoring of the waypoint code. The new design fits the model-view-controller pattern better.

UASWaypointManager now implements the protocol described in http://qgroundcontrol.org/waypoint_protocol