Fixing minor style issues, and adding support for both spellings of 'liter'

Author: SteelFill

Source/Orts.Formats.Msts/CabViewFile.cs

@@ -334,7 +334,8 @@ public enum CABViewControlUnits
         YARDS,
 
         CUBIC_FT_MIN,
-        LITRES_S
+        LITRES_S,
+        LITERS_S
     }
 
     public enum DiscreteStates

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

@@ -5425,6 +5425,7 @@ public virtual float GetDataOf(CabViewControl cvc)
                                 break;
 
                             case CABViewControlUnits.LITRES_S:
+                            case CABViewControlUnits.LITERS_S:
                                 data = this.FilteredBrakePipeFlowM3pS * 1000.0f;
                                 break;
 
@@ -5558,7 +5559,6 @@ public virtual float GetDataOf(CabViewControl cvc)
 
                                 }
                             }
-
                         }
                         else
                         {

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/Controllers/MSTSBrakeController.cs

@@ -415,7 +415,7 @@ static void IncreasePressure(ref float pressureBar, float targetBar, float rateB
             {
                 float dp = rateBarpS * elapsedSeconds;
                 if (targetBar - pressureBar < 0.5f) // Slow down increase when nearing target to simulate chokes in brake valve
-                    dp *= Math.Min((targetBar - pressureBar) / 0.5f + 0.1f, 1.0f);
+                    dp *= Math.Min(((targetBar - pressureBar) / 0.5f) + 0.1f, 1.0f);
                 pressureBar += dp;
                 if (pressureBar > targetBar)
                     pressureBar = targetBar;
@@ -428,7 +428,7 @@ static void DecreasePressure(ref float pressureBar, float targetBar, float rateB
             {
                 float dp = rateBarpS * elapsedSeconds;
                 if (pressureBar - targetBar < 0.5f) // Slow down decrease when nearing target to simulate chokes in brake valve
-                    dp *= Math.Min((pressureBar - targetBar) / 0.5f + 0.1f, 1.0f);
+                    dp *= Math.Min(((pressureBar - targetBar) / 0.5f) + 0.1f, 1.0f);
                 pressureBar -= dp;
                 if (pressureBar < targetBar)
                     pressureBar = targetBar;