V51

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- Version 5.1A - 
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Screen : 
  - Transpareny for bottom bar and airspace drawing can be use on all device
  - Screen rotate feature inside LK turn only LK8000 display orientation, orientation of device shell is restored on LK8000 shutdown  

Glide computer : 
  - Aispeed accuracy for Glider polar is now 0.5m/s instead of 1m/s previously
  - Improved accuracy of Speed to Fly calculation

Task :
  - New Conical ESS turnpoint type for PG optimized task
      Best speed / climb rate for reach this turnpoint is displayed inside analysis / glidepolar screen.
      Cone slope is draw on next turnpoint "side view".
      AutoMC and Speed to fly take account of Conical ESS in Final Glide.
      Default "Base Altitude" for this turnpoint is Altitude of turnpoint.
  - Requiered speed for reach start on Time Gate Overlay, 
      "---" is diplayed when speed is to slow, "oo" when speed is too fast.

Simulator : 
  - New netto vario parameter in integrated simulator.
 
Auto Zoom : 
  - Now autozoom is calcuated using "optimized turnpoint" (or AAT Target point) instead of center previously.