Compatibility with the new Invictus 1.9 'Thales' update.

Fixes an oversight where the Parsa wonder would not be able to be built if the city was upgraded to be a metropolis.

Reduces the number of barbarian spawns in Egypt, Nubia, and Somalia to a more reasonable total.

To prevent overpopulation and mass-starvation in the endgame, divine favor has been shortened by 69 years, and dates now give +3 food instead of +2 food to help out desert provinces.

Added a tier 2 Per-Sheklesh formable for conquering Magna Graecia as an Egyptian tribe.
Added a tier 2 Per-Khati formable for conquering southern Anatolia as an Egyptian tribe.
Added a tier 2 Megabactria formable for conquering Bactria as a Nilotic tribe.
Added a tier 1 Alemannia formable for conquering southwest Germania as an Irminonic tribe.
Slightly reduced tier 1 Brittany's formation requirements.

Compatibility with Invictus 1.8 'Midas'
Added 3 new starting nations (Mordvia, Fennia, and Melanogaetuli)
Added a tier 2 Aengland formable for conquering England as an Ingvaeonic or Cimbrian country
Added a tier 3 Frankish Empire formable for Istvaeonic countries
Fixed the tier 1 Brittany formable being unformable
Fixed the Italy and Lombardy formables not having their correct flags

Bug fixes and AI improvements