Automatic merge of T1.6-89-ga2a9bbcc8 and 12 pull requests

- Pull request #1156 at f46d5f2: Fix incorrectly disabled options in train operations window
- Pull request #1086 at d8d61eb: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1091 at e813c42: Automatic speed control
- Pull request #1115 at 270f22f: Do not activate ETS switch if no suitable cars are attached
- Pull request #1120 at ba3c47f: Automatically Calculate Friction Values if Missing
- Pull request #1121 at 91d2d26: Manually Override Articulation
- Pull request #1124 at e241a0d: Built-in PBL2 brake controller
- Pull request #1126 at 95e884f: ShapeHierarchy Attachment for More Wagon Addons
- Pull request #1157 at 39cd994: Dynamic brake authorization by TCS
- Pull request #1159 at 48c9a63: Skip OR warnings about TSRE-specific token Ruler
- Pull request #1161 at 6cfe4e2: Fix string trim in .ini files
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge

Author: openrails-bot

Source/Orts.Simulation/Common/Scripting/PowerSupply/LocomotivePowerSupply.cs

@@ -639,7 +639,7 @@ protected T LoadParameter<T>(string sectionName, string keyName, T defaultValue)
 
                 if (length > 0)
                 {
-                    buffer.Trim();
+                    buffer = buffer.Trim('\0').Trim();
                     return (T)Convert.ChangeType(buffer, typeof(T), System.Globalization.CultureInfo.InvariantCulture);
                 }
             }

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

@@ -924,7 +924,7 @@ private T LoadParameter<T>(string sectionName, string keyName, T defaultValue)
 
                 if (length > 0)
                 {
-                    buffer.Trim();
+                    buffer = buffer.Trim('\0').Trim();
                     return (T)Convert.ChangeType(buffer, typeof(T), System.Globalization.CultureInfo.InvariantCulture);
                 }
             }
@@ -936,7 +936,7 @@ private T LoadParameter<T>(string sectionName, string keyName, T defaultValue)
 
                 if (length > 0)
                 {
-                    buffer.Trim();
+                    buffer = buffer.Trim('\0').Trim();
                     return (T)Convert.ChangeType(buffer, typeof(T), System.Globalization.CultureInfo.InvariantCulture);
                 }
             }