OpenBVE v1.12.1.0

Significant Changes:

• New: Add $ElseIf command for CSV routes.
• New: Add MotorBrakeNotch property for XML trains.
• MSTS: Handle Pantograph1 animations with suffix.
• MSTS: Implement some variants on the line voltage display.
• MSTS: Fix some content with the brakes stuck on.
• MSTS: Better handling for some comments and non-standard number formating.
• Compability: Update routefile hacks database.
• Fix: Preserve the compatible transparent mode when extracting a texture clip region. (Fixes handle images on some BVE2 panels)
• Fix: Couple of issues in CarXMLConverter since converting to block format