Do not add a point to windzigzag during towing before start of freeflight.
(CC) Permanent WindKalman and old WindZigZag goes to Archive
(CC) Permanent options: PICTORIALS and all subsets WAYPOINT_ICONS WAYPOINT_QUICK_PICTO  MULTISEL_PICTORIALS BACKGROUND_PICTORIAL ASP_WARNING_PICTO
(CC) nonexistent option BEARING_INDICATOR removed
(CC) Permanent STORE_SCREENSETTINGS  for PC only
(CC) Permanent option SHOW_FOUND_WAYPOINT
(CC) Permanent option SELECT_FOUND
(CC) option GOTO_AS_SIMPLETASK moved to ULLIS private features
Removed option CPUSTATS , obsoleted by CPU in bottombar
Kalman wind: always invoked by Heading , check for airspeed available made in KalmanWind.
Reset matrix with WindKalmanReset() .
Do not use Kalman if not freeflying yet (not in GA)
reformat code here and there
WindKalman made more selective on input parameters.
Use TAS at t0  and GS BRG  at t+1  assuming gps latency of 1.5 seconds average.
Ring buffer not really used for averaging values on two samples, yet.