Ditto for GpsDot.
Ditto for Corpse.
Make RenderSimple.Palette protected.
Use PaletteReferences in ShroudRenderer.
Pass WorldRenderer to RenderAsTerrain for palette lookup.
Remove PaletteReference.FromName from PBOG.
Apply consistent formatting to PBOG (no code changes).
Remove PaletteReference.FromName from TeslaZap.
Simplify PaletteReference interface.
Remove WorldRenderer.GetPalette.
Remove WorldRenderer.GetPaletteIndex.
Die with a helpful error if a palette doesn't exist.
Move Palette from ModData to WorldRenderer.
Add INotifyOwnerChanged interface
Cache PaletteReference in RenderSimple.