Automatic merge of T1.5.1-1201-g5d239654f2 and 18 pull requests

- Pull request #799 at dfc715e: Consolidated wind simulation
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #885 at 8f473ce: feat: Add notifications to Menu
- Pull request #891 at 9a1d6b2: Auto save
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #952 at 8347095: Investigation - Pulsing graphics
- Pull request #953 at a519452: Fix Lights Crash on Corrupt Shapes
- Pull request #954 at e715fa4: Multiple Track Profiles & Superelevation Improvements
- Pull request #962 at 46d0472: Fix pantographs on unpowered cars
- Pull request #972 at e90a2aa: On Map window color changed switch or signal is not changed
- Pull request #980 at a7406de: Downloading route content (Github, zip) second part 
- Pull request #981 at 10d297f: Multiple type trainset lightglows
- Pull request #982 at efcf19c: WEB based Switch Panel enhancement: Alerter
- Pull request #983 at 202316e: WEB based Switch Panel bug: DPU window
- Pull request #984 at 0f8122e: Player train switching for timetable mode
- Pull request #985 at 4f42995: Correct bug with steam locomotive chuffing sound
- Pull request #900 at c27f32d: DMI updates
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder

Author: openrails-bot

Source/RunActivity/Viewer3D/Lights.cs

@@ -234,9 +234,9 @@ public void PrepareFrame(RenderFrame frame, ElapsedTime elapsedTime)
                     if ((lightPrimitive.Enabled || lightPrimitive.FadeOut) && lightPrimitive is LightGlowPrimitive)
                     {
                         if (ShapeXNATranslations.TryGetValue(lightPrimitive.Light.ShapeIndex, out Matrix lightMatrix))
-                            frame.AddPrimitive(lightPrimitive.Light.Graphic != null ? (lightPrimitive as LightGlowPrimitive).SpecificGlowMaterial : LightGlowMaterial, lightPrimitive, RenderPrimitiveGroup.Lights, ref lightMatrix);
+                            frame.AddPrimitive((lightPrimitive as LightGlowPrimitive).SpecificGlowMaterial, lightPrimitive, RenderPrimitiveGroup.Lights, ref lightMatrix);
                         else
-                            frame.AddPrimitive(lightPrimitive.Light.Graphic != null ? (lightPrimitive as LightGlowPrimitive).SpecificGlowMaterial : LightGlowMaterial, lightPrimitive, RenderPrimitiveGroup.Lights, ref xnaDTileTranslation);
+                            frame.AddPrimitive((lightPrimitive as LightGlowPrimitive).SpecificGlowMaterial, lightPrimitive, RenderPrimitiveGroup.Lights, ref xnaDTileTranslation);
                     }
 
 #if DEBUG_LIGHT_CONE