Automatic merge of T1.5.1-801-g8ef12d34f and 15 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 b554363: Blueprint/train car operations UI window
- Pull request #885 at 8f94333: 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 #897 at 42f1dd9: feat: Improved system information collection
- Pull request #899 at 226f2cf: Duplex steam engines - Booster Engine addition
- Pull request #903 at 0d6d045: Downloading route content (Github, zip)
- Pull request #907 at 9b0b04f: Bug fix for https://bugs.launchpad.net/or/+bug/2047300 Dynamic tracks disappear after long tunnel
- Pull request #908 at 4b4afe3: feat: supports switching adhesion precisions
- Pull request #911 at 6834af0: docs: Add refactoring as a special type of PR
- Pull request #912 at 8106ea1: New Triple Valve Features Vol. 2

Author: openrails-bot

Source/Documentation/Manual/physics.rst

@@ -245,7 +245,9 @@ performance of the wheelset.
 ``AnimatedParts`` - animated parts associated with the axles wheelset.
 ``Weight`` - weight on the axles in the wheelset.
 ``ORTSRadius`` - radius of the wheels in the wheelset.
-``NumberWheelAxles`` - number of axles in the wheelset.
+``NumberWheelsetAxles`` - number of axles in the wheelset.
+``ORTSFlangeAngle`` - flange angle of the wheels in the wheelset.
+``ORTSInertia`` - inertia of the wheels in the wheelset.
 
 The first model -- simple adhesion model -- is a simple tractive force
 condition-based computation. If the tractive force reaches its actual