Gold per turn is evaluated less the more turns 'in the future' it will be payed

Returned Perlin map type

By SomeTroglodyte:
- Map scroll speed
- Fix MiscLayer not respecting fog of war for spectator
- More Spectator/Barbarians fixes related to income

By itanasi:
- Automated Civilians don't multi-turn path through Enemy Territory
- More variety in Main Menu map

City-state music plays when first meeting them - By Skekdog

Add AbsoluteUnits license info - By letstalkaboutdune