Automatic merge of T1.5.1-687-gd279e384a and 10 pull requests

- Pull request #570 at c59c788: 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 #865 at 67014b7: Dispatcher window improvements
- Pull request #874 at f8dbeab: Dynamic brake controller refactoring
- Pull request #875 at 43bf33e: Bug fix for https://bugs.launchpad.net/or/+bug/2036346 Player train switching doesn't work with 3D cabs
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #878 at 43f6ee9: Implement Polach Adhesion
- Pull request #882 at e458797: Blueprint/train car operations UI window
- Pull request #883 at edcc2dd: SwitchPanel disconnect/connect handling
- Pull request #885 at c81447b: feat: Add notifications to Menu

Author: openrails-bot

Docs/Readme.md

@@ -10,7 +10,7 @@ Open Rails is a free train simulator supporting the world's largest range of dig
 ## Documentation
 
 * [Read the FAQ](http://www.openrails.org/learn/faq/?utm_campaign=documentation&utm_source=readme&utm_medium=referral)
-* [Read the manual online](https://open-rails.readthedocs.io/en/1.3.1/) or the PDF included with the program, found in the main menu under "Documents"
+* [Read the manual online](https://open-rails.readthedocs.io/en/latest/) or the PDF included with the program, found in the main menu under "Documents"
 * [Get additional materials, including tutorials, from our website](http://www.openrails.org/learn/manual-and-tutorials/?utm_campaign=documentation&utm_source=readme&utm_medium=referral)
 * [Read more about the project on our website](http://www.openrails.org/discover/open-rails/?utm_campaign=documentation&utm_source=readme&utm_medium=referral)