Automatic merge of T1.6-rc2-41-gacd714487 and 9 pull requests

- Pull request #1072 at 3033f96: Content Creation Shortcuts & Advanced Wagon Shape Interactions
- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1091 at 35f0051: Automatic speed control
- Pull request #1107 at f5eb3dc: Fix DPMode when last remote is moved to front.
- Pull request #1108 at cd5c185: 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 #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot

Source/RunActivity/Viewer3D/Processes/WebServerProcess.cs

@@ -43,6 +43,15 @@ public WebServerProcess(Game game)
         {
             Game = game;
             Thread = new Thread(WebServerThread);
+
+            // Once the content has been loaded and the simulator is simulating, an exception will cause the web server process
+            // to terminate itself.
+            // However, an exception during loading will not terminate the web server process, so the application Open Rails Activity Runner
+            // will persist until it is removed by the user.
+            // A workaround to avoid this behaviour is to push the thread into the background.
+
+            // This thread is pushed into the background, so it will be terminated automatically when the main thread exits.
+            Thread.IsBackground = true;
         }
 
         public void Start()