Bug/Hotfix: Disabling extra goody gut rewards which may be causing exceptions/CTDs post Leader Pass.

Add Rulers of England.

Add Abe Lincoln.

1. Adjust WC resolutions making eco related resolutions available earlier. A couple removed.

Chemamull can be placed on forest.

1. Fixed tundra.
2. Ice shelf refactoring.
3. TSL logic refactoring.

Update map script for balance and aesthetics: Terrascaping 2.0
1. Use radial variance fractal for terrain banding.
2. Geographhically accurate terrain representation.

BUGFIX Preserve district scoring.

1. Add appeal to Colossal Head and Polder I
2. Include missing changes to Vikings DLC for GS.
3. Misc. AI fixes for Naturalists, Nau, Rough Rider and Conquistadors (to build and settle).

1. Distinguish between land and sea polders with roman numerals.
2. Misc. polder related bugfixes and adjustments.