Automatic merge of T1.5.1-922-g0a17d985e and 16 pull requests

- Pull request #570 at 3539862: Experimental glTF 2.0 support with PBR lighting
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #882 at 3ca0eb1: Blueprint/train car operations UI window
- Pull request #885 at 42092cb: feat: Add notifications to Menu
- Pull request #886 at 6c0785b: Scene viewer extension to TrackViewer
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #896 at 5866028: First implementation of https://blueprints.launchpad.net/or/+spec/specific-sounds-for-ai-trains
- Pull request #903 at 29f3d1a: Downloading route content (Github, zip)
- Pull request #912 at f7b85e4: New Triple Valve Features Vol. 2
- Pull request #919 at 26cc6a8: Added mouse wheel support for controls which can be moved by pressing t…
- Pull request #923 at e0f3c55: Add curve squeal to route
- Pull request #924 at 6c2c3cd: Default Asset Improvements
- Pull request #925 at e3b1688: Fix brakeshoe force bug
- Pull request #927 at cf687d4: AI Train Power Supply/Lights Fix
- Pull request #928 at 1f23512: Fix Missing Initializations From Copy in MSTSLocomotive

Author: openrails-bot

Source/Menu/Notifications/NotificationManager.cs

@@ -89,7 +89,7 @@ public Notifications GetNotifications()
         }
 
         /// <summary>
-        /// Fetch the Notifications from https://static.openrails.org/notifications/notifications.json
+        /// Fetch the Notifications from https://static.openrails.org/notifications/menu.json
         /// </summary>
         private string GetRemoteJson()
         {
@@ -101,7 +101,7 @@ private string GetRemoteJson()
             // Helpful to supply server with data for its log file.
             client.Headers[HttpRequestHeader.UserAgent] = $"{System.Windows.Forms.Application.ProductName}/{VersionInfo.VersionOrBuild}";
 
-            return client.DownloadString(new Uri("https://wepp.co.uk/openrails/notifications.json"));
+            return client.DownloadString(new Uri("https://wepp.co.uk/openrails/notifications/menu.json"));
         }
 
         public void PopulatePageList()
@@ -241,27 +241,7 @@ private Check CheckExcludes(Check check)
             {
                 if (c is Contains)
                 {
-                    switch (c.Name)
-                    {
-                        case "direct3d":
-                            if (SystemInfo.Direct3DFeatureLevels.Contains(c.Value, StringComparer.OrdinalIgnoreCase))
-                                return check;
-                            break;
-                        case "installed_version":
-                            if (SystemInfo.Application.Version.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
-                                return check;
-                            break;
-                        case "already updated": // ReplaceParameter() changed {{new_version}} to "already updated"
-                            break;
-                        case "system":
-                            var os = SystemInfo.OperatingSystem;
-                            var system = $"{os.Name} {os.Version} {os.Architecture} {os.Language} {os.Languages ?? new string[0]}";
-                            if (system.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
-                                return check;
-                            break;
-                        default: // Any check that is not recognised fails.
-                            return check;
-                    }
+                    CheckContains(check, c);
                 }
             }
             return null;
@@ -279,28 +259,32 @@ private Check CheckIncludes(Check check)
 
             foreach (var c in check.IncludesAnyOf)
             {
-                if (c is Contains)
-                {
-                    switch (c.Name)
-                    {
-                        case "direct3d":
-                            if (SystemInfo.Direct3DFeatureLevels.Contains(c.Value, StringComparer.OrdinalIgnoreCase))
-                                return check;
-                            break;
-                        case "installed_version":
-                            if (SystemInfo.Application.Version.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
-                                return check;
-                            break;
-                        case "system":
-                            var os = SystemInfo.OperatingSystem;
-                            var system = $"{os.Name} {os.Version} {os.Architecture} {os.Language} {os.Languages ?? new string[0]}";
-                            if (system.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
-                                return check;
-                            break;
-                        default: // Any check that is not recognised fails.
-                            return null;
-                    }
-                }
+                CheckContains(check, c);
+            }
+            return null;
+        }
+
+        private Check CheckContains(Check check, Criteria c)
+        {
+            switch (c.Name)
+            {
+                case "direct3d":
+                    if (SystemInfo.Direct3DFeatureLevels.Contains(c.Value, StringComparer.OrdinalIgnoreCase))
+                        return check;
+                    break;
+                case "installed_version":
+                    if (c.Value == "none" // as Update Mode == "none"
+                    || SystemInfo.Application.Version.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
+                        return check;
+                    break;
+                case "system":
+                    var os = SystemInfo.OperatingSystem;
+                    var system = $"{os.Name} {os.Version} {os.Architecture} {os.Language} {os.Languages ?? new string[0]}";
+                    if (system.IndexOf(c.Value, StringComparison.OrdinalIgnoreCase) > -1)
+                        return check;
+                    break;
+                default: // Any check that is not recognised succeeds.
+                    return null;
             }
             return null;
         }
@@ -379,13 +363,11 @@ private string ReplaceParameter(string field)
                         ? "none"
                         : UpdateManager.ChannelName;
                     break;
-                case "new_version":
+                case "latest_version":
                     replacement = UpdateManager.LastUpdate == null 
                         || UpdateManager.ChannelName == ""
-                        ? "not available"
-                        : UpdateManager.LastUpdate.Version == SystemInfo.Application.Version
-                            ? "already updated"
-                            : UpdateManager.LastUpdate.Version;
+                        ? "none"
+                        : UpdateManager.LastUpdate.Version;
                     break;
                 case "release_date":
                     replacement = UpdateManager.LastUpdate == null