Add Rulers of England.

Add Abe Lincoln.

Hotfix for TSL

1. Fix tundra
2. Refactoring TSL logic.

Updated map script for better balance and aesthetics: Terrascaping 2.0
1. Using radial variance fractal for more natural terrain banding.
2. Geographically more accurate terrain representation.

BUGFIX landform data.

1. Added Amsterdam CS.
2. Removed sliver of Africa.

50 VP for constructing Preserves.

Very minor tweak to Ecologist agenda to focus on faith and culture yields.

1. Conservation inspiration swapped with Combustion eureka.
2. Bugfix for Ecologist AI strategy.