Automatic merge of T1.6-rc2-26-g74ecafa7f and 6 pull requests

- Pull request #1072 at 076a8d3: Content Creation Shortcuts & Advanced Wagon Shape Interactions
- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1091 at 520ac64: Automatic speed control
- Pull request #1106 at b669f09: Special merge from release/1.6 to master due to reverted commits
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot