Automatic merge of T1.6-rc2-41-gacd714487 and 10 pull requests

- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1091 at c2b1963: Automatic speed control
- Pull request #1107 at f5eb3dc: Fix DPMode when last remote is moved to front.
- Pull request #1108 at 343c792: Fix Horn, Bell, and MU light conditions on AI trains
- Pull request #1109 at 0190043: Fix Erroneous Detection of Departure Before Passenger Boarding Completed
- Pull request #1110 at 387388e: Fix Activity Runner persists after loading exception
- Pull request #1112 at 1224807: update for V1.6
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1104 at f40920a: Handle simple adhesion within the axle module
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/CruiseControl.cs

@@ -1198,7 +1198,7 @@ public void SpeedSelectorIncreaseStep()
             if (time >= selectedSpeedLeverHoldTime && time < selectedSpeedLeverHoldTime + SpeedSelectorStepTimeSeconds) return;
             selectedSpeedLeverHoldTime = time;
 
-            if (SpeedSelectorIsDiscrete)
+            if (SpeedSelectorController.NotchCount() > 0)
             {
                 SpeedSelectorController.StartIncrease();
                 SpeedSelectorController.StopIncrease();
@@ -1222,7 +1222,7 @@ public void SpeedSelectorDecreaseStep()
             selectedSpeedLeverHoldTime = time;
 
             float speed = ControllerValueToSelectedSpeedMpS(SpeedSelectorController.CurrentValue) - SpeedRegulatorNominalSpeedStepMpS;
-            if (SpeedSelectorIsDiscrete)
+            if (SpeedSelectorController.NotchCount() > 0)
             {
                 SpeedSelectorController.StartDecrease();
                 SpeedSelectorController.StopDecrease();