Modding: Can provide resources as a global unique

Flat Earth Hexagonal map shape - By FiretronP75

By vegeta1k95:
- Change styles and behaviour of Unit flags as in Civ 5
- "Auto Unit Cycle" and "Automated units move on turn start" options implemented (per Civ 5)
- Next Turn actions (pick tech/policy/etc) now have icons

Added icon for `Conduct Trade Mission` button - By alexban011

By itanasi:
- Actually fix AI from pillaging neutral roads

New map options translatable - By Ouaz