Automatic merge of T1.5.1-351-gc9abcd22b and 10 pull requests

- Pull request #570 at de7a14f: Experimental glTF 2.0 support with PBR lighting
- Pull request #732 at 79e9c38: Improvements for air brakes
- Pull request #751 at 00981a2: Web interface to control cab controls with external hardware
- Pull request #767 at 82c5f1c: Refine sunrise and sunset
- Pull request #799 at eb92d81: Consolidated wind simulation
- Pull request #803 at 7157e08: Various adjustments to steam adhesion
- Pull request #809 at f67822a: Some on-screen messages not suppressed, Bug #2008012
- Pull request #813 at 80789c6: Refactored garbage generators
- Pull request #814 at b102c1c: Bug fix for https://bugs.launchpad.net/or/+bug/2013969 Crash after uncoupling player loco of a train with EOT
- Pull request #815 at a5cc165: chore: Add GitHub automatic release notes configuration

Author: openrails-bot

.github/release.yml

@@ -0,0 +1,22 @@
+changelog:
+  exclude:
+    labels:
+      - ignore-for-release
+    authors:
+      - appveyor
+      - dependabot
+      - github-actions
+  categories:
+    - title: New Features
+      labels:
+        - enhancement
+    - title: Documentation and Localization
+      labels:
+        - documentation
+        - locales
+    - title: Bug Fixes
+      labels:
+        - bug
+    - title: Other Changes
+      labels:
+        - "*"