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 48f1939: 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

@@ -105,6 +105,8 @@ public LightViewer(Viewer viewer, TrainCar car, TrainCarViewer carViewer)
                             LightPrimitives.Add(new LightGlowPrimitive(this, Viewer.RenderProcess, light));
                             if (light.Graphic != null)
                                 (LightPrimitives.Last() as LightGlowPrimitive).SpecificGlowMaterial = viewer.MaterialManager.Load("LightGlow", DefineFullTexturePath(light.Graphic));
+                            else
+                                (LightPrimitives.Last() as LightGlowPrimitive).SpecificGlowMaterial = LightGlowMaterial;
                             break;
                         case LightType.Cone:
                             LightPrimitives.Add(new LightConePrimitive(this, Viewer.RenderProcess, light));