L² License Plates

Stable release of 3.4.0-b1

1. Updated text entry backgrounds.
2. Added loads more documentation.
3. Some minor extra debugging stuff.
4. Added configs for derma colour controls.
5. Moved debugging config into the main config section.
6. Removed 2000 lines of outdated positions.
7. Updated hook handling.
8. New model matching functions.
9. Vehicles with a different ID but the same model automatically clone plate positions.