Automatic merge of T1.5.1-974-g2634ac3be and 16 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 #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #882 at b3f83ed: Blueprint/train car operations UI window
- Pull request #891 at 9a1d6b2: Auto save
- 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 #900 at c27f32d: DMI updates
- Pull request #903 at 3e390b8: Downloading route content (Github, zip)
- Pull request #912 at cda1d74: 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 #922 at abe2e52: Autopilot for timetable mode
- Pull request #943 at fb1f454: Dynamic Brakes Behavior & Display Improvements
- Pull request #945 at 263cbf3: Display tractive force instead of compensated out force
- Pull request #946 at 47fcd1c: Advanced track sounds
- Pull request #947 at 6be9776: Fix .ace Textures Not Being Used as Fallback for Missing .dds

Author: openrails-bot

Source/RunActivity/Viewer3D/Materials.cs

@@ -83,7 +83,7 @@ public Texture2D Get(string path, Texture2D defaultTexture, bool required = fals
                             if (File.Exists(aceTexture))
                             {
                                 texture = Orts.Formats.Msts.AceFile.Texture2DFromFile(GraphicsDevice, aceTexture);
-                                Trace.TraceWarning("Required texture {1} not existing; using existing texture {2}", path, aceTexture);
+                                Trace.TraceWarning("Required texture {0} not existing; using existing texture {1}", path, aceTexture);
                             }
                             else return defaultTexture;
                         }