Reduced the number of monthly radicals from political movements to enact and restore

- Reduced the number of pops in the mid- to late-game by merging very small pops back into the general population
- Reduced the number of pops in the mid- to late-game by forcing unemployed pops to switch profession when sufficiently poor
- Improved performance of updating trends for political movements
- Improved performance of enumerating Liberation war goals

- Increased AI tendency to stick by its allies and subjects in conflicts
- Fixed AI acceptance for 'powerful protectors' factor to appear in virtually any alliance/customs union
- Fixed AI confidence and peace desire from gold reserves not being capped to 100% reserves
- Fixed AI incorrectly calculating how much an ongoing war or diplomatic play should add to their neutrality, making them abandon allies due to involvement in small conflicts
- Fixed AI involvement in a diplomatic play shown as an empty string in their neutrality calculation

- Fixed settings (such as in-game language) not being saved correctly when path contains non-latin characters
- Properly fixed flotillas not recovering morale
- Fixes "Pass a Law that enables an Institution" tutorial challenge being impossible to complete or writing to the error log under certain circumstances
- Fixed issue where a placated Political Movement might still trigger a revolution
- Fixed issue with American Territory Achievement using an incorrect trigger
- Fixed issue with not being able to get Berlin Conference Achievement.
- Star Swarmed Banner no longer requires exactly 100 states exactly to get the achievement, but rather 100 or more
- Fixed issue with placeholder image being used for flamethrower event modifiers
- Fixed CTD in CPdxTerrain::CreateEffect
- Fixed CTD in CWarGoal::IsAdjacent
- Fixed CTD in CBuildingType destructor