Automatic merge of T1.5.1-1891-g8228f3523 and 11 pull requests

- Pull request #1072 at 52d5886: Content Creation Shortcuts & Advanced Wagon Shape Interactions
- Pull request #1085 at 37e2817: updates key commands for Train Operations window and also Daylight Offset
- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1096 at 7a4f055: When the OR main form does not have the focus, hovering above the main OR form makes the mouse cursor disappear. 
- Pull request #1097 at 63248a0: Fix For Delayed Particle Emitter Spawning
- Pull request #1098 at 6bbd2c6: Correct Use of Wheel Speed vs Ground Speed in Locomotive Physics
- Pull request #1099 at 5e8b056: Fix TCS orders not being sent to pantographs
- Pull request #1100 at cccb40a: Updates to German translations
- Pull request #1101 at 296d878: Added help buttons on Simulations options in Menu
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot