more Old World campaign compatibility. (Hills, Swamp, Immaterial climates)

fix ui script more accurate.

UI update.

fixed the issue where the wasteland climate effects were not applying in the mod.

5.1 updated.

Adjusted the settlement climate change stages to be one tier faster.

Now, a Tier 3 settlement with a Tier 3 Protection building can change any settlement to a viable climate.
And, a Tier 4 settlement with a Tier 4 Protection building will receive a construction time bonus for settlement buildings.

5.0 updated.

change building buff from "all adjacent regions" to "all adjacent provinces" (easier to overlapping buffs)

change mod image.

fix minor text typo.