GE10 Script - SplineToolkit (Prefab*) 2.0.1.0

Hotfix Update 2.0.1:
- [Base Tools] = Clear Foliage now correctly clears all foliage layers.
- [Base Tools] = Set Terrain Height: Fixed spike/gap artifacts.
- [Base Tools] = Set Terrain Height: Configurable pixel resolution via SplineToolkit.TERRAIN_METER_PER_PIXEL_LOAD_FROM_MAP and SplineToolkit.TERRAIN_METER_PER_PIXEL_CUSTOM.

Update 1.1.1:
- [Base Tools] = Added a Clear Foliage button and removed the option from the foliage layer list.
- [Base Tools] = Fixed an issue with Clear Foliage where an incorrect invisible layer was applied.
- [Place Object] = Added Place Type "... with Width". Allows objects to be placed randomly within a defined width.
- [Place Object] = Added Set Height Type "... + Follow Axis". Allows connected objects to be placed almost seamlessly, even on uneven terrain.
- [Gen. Street] = Added four additional textures to the list.
- [Gen. Street] = Added a confirmation dialog when overwriting an existing road group.

Hotfix 1.0.1:
- Fix: [Place Fence] - Fences are now placed at terrain level instead of spline level.
- Fix: [Place Object] - Side Offset now works correctly.