Automatic merge of T1.4-rc6-10-g62fcbfa79 and 7 pull requests

- Pull request #480 at 6bc94a9: Blueprint https://blueprints.launchpad.net/or/+spec/digital-alignment-in-3dcabs
- Pull request #503 at 69a70cb: Update derailment functionality
- Pull request #508 at ed80ad6: Blueprint https://blueprints.launchpad.net/or/+spec/odometer-cabview-controls
- Pull request #510 at d4d3256: Add performance monitoring for diesel mechanic locomotives and new parameters
- Pull request #512 at 3aae640: Fixed dynamic brake being applied during standstill when dynamic brake blending is enabled
- Pull request #514 at 8bf4a09: Bug fix for https://bugs.launchpad.net/or/+bug/1946373. The keywords should not be translated.
- Pull request #515 at cd8e29f: Correct issue with compressor not turning off

Source/Orts.Simulation/Simulation/RollingStocks/MSTSLocomotive.cs

@@ -2351,7 +2351,7 @@ protected virtual void UpdateCompressor(float elapsedClockSeconds)
             // Turn compressor on and off
             if (MainResPressurePSI < CompressorRestartPressurePSI && LocomotivePowerSupply.AuxiliaryPowerSupplyState == PowerSupplyState.PowerOn && !CompressorIsOn)
                 SignalEvent(Event.CompressorOn);
-            else if ((MainResPressurePSI > MaxMainResPressurePSI || LocomotivePowerSupply.AuxiliaryPowerSupplyState != PowerSupplyState.PowerOn) && CompressorIsOn)
+            else if ((MainResPressurePSI >= MaxMainResPressurePSI || LocomotivePowerSupply.AuxiliaryPowerSupplyState != PowerSupplyState.PowerOn) && CompressorIsOn)
                 SignalEvent(Event.CompressorOff);
 
             if (CompressorIsOn)