Automatic merge of T1.6-145-g7915033ac and 11 pull requests

- Pull request #1082 at 8538170: Allow variable water level in glass gauge
- Pull request #1156 at f46d5f2: Fix incorrectly disabled options in train operations window
- Pull request #570 at 1b6b22e: glTF 2.0 support with PBR lighting
- Pull request #1091 at 492795a: Automatic speed control
- Pull request #1122 at 73c47b4: Wagon Size and Centering Controls
- Pull request #1124 at e241a0d: Built-in PBL2 brake controller
- Pull request #1157 at 39cd994: Dynamic brake authorization by TCS
- Pull request #1167 at 115325f: Fix: RunActivity slow to terminate because of long sleep in Host Process
- Pull request #1168 at 6e2942f: Fix exception when exiting with MapForm or SoundDebugForm open.
- Pull request #1169 at 6cf8c3e: Better Handling of Wagons with Invalid Bogie Configuration
- Pull request #1171 at 8fd2066: no internet connection is available, not possible to open the Menu Content Form

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/TrainCar.cs

@@ -2826,9 +2826,9 @@ public void SetUpWheels()
             // No axles but we have bogies.
             if (WheelAxles.Count == 0 && Parts.Count > 1)
             {
-                // Fake the axles by pretending each has 1 axle.
-                foreach (var part in Parts)
-                    WheelAxles.Add(new WheelAxle(part.OffsetM, part.iMatrix, 0));
+                // Fake the axles by pretending each bogie has 1 axle.
+                for (int i = 1; i < Parts.Count; i++)
+                    WheelAxles.Add(new WheelAxle(Parts[i].OffsetM, i, Parts[i].iMatrix));
                 Trace.TraceInformation("Wheel axle data faked based on {1} bogies for {0}", WagFilePath, Parts.Count - 1);
             }
             bool articFront = !WheelAxles.Any(a => a.OffsetM.Z < 0);