Automatic merge of T1.5.1-212-g7decf71b3 and 12 pull requests

- Pull request #706 at 91bcfa2: Extended door functionality
- Pull request #722 at fb9079e: Fix Windows Forms deprecations in ActivityEditor
- Pull request #732 at 83002d7: Improvements for air brakes
- Pull request #735 at b9a0ea3: Added new parameter for battery switch
- Pull request #753 at ab8fe32: Extends CabControls for user input
- Pull request #760 at 113dd63: Updated EditorConfig with .NET and StyleCop analyzer configuration
- Pull request #761 at f6a3aca: fix: Allow 100% cloud-free skys by making 0% overcast = 0% clouds
- Pull request #764 at 5f9a01b: fix: Improve sky dome distortion causing bug #1471416
- Pull request #765 at 083467b: Bug fix for https://bugs.launchpad.net/or/+bug/2002183 OK to proceed sound played wrongly
- Pull request #766 at f143fcc: Control Car additional functionality
- Pull request #767 at 9317f8c: Refine sunrise and sunset
- Pull request #768 at a0eae37: OpenRailway Map enhancements

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/Brakes/MSTS/AirSinglePipe.cs

@@ -354,7 +354,7 @@ public void UpdateTripleValveState(float elapsedClockSeconds)
                 else
                     TripleValveState = ValveState.Lap;
             }
-            else if (valveType == MSTSWagon.BrakeValveType.TripleValve || valveType == MSTSWagon.BrakeValveType.Distributor)
+            else if (valveType == MSTSWagon.BrakeValveType.TripleValve || valveType == MSTSWagon.BrakeValveType.DistributingValve)
             {
                 if (BrakeLine1PressurePSI < AuxResPressurePSI - 1 && EmergencyValveActuationRatePSIpS > 0 && (prevBrakePipePressurePSI - BrakeLine1PressurePSI) > Math.Max(elapsedClockSeconds, 0.0001f) * EmergencyValveActuationRatePSIpS)
                     TripleValveState = ValveState.Emergency;