Decoupled CTA from PB to ease maintainability

Modified structure will make it easy to merge new versions of NDE into
PB that have [some version of] CTA directly integrated.
Case
Case
Ethiopia fix
Slightly higher fertility
Fixed movement bug
AF cooperation: uniform coverage of AF member vassal sub-realm
ChangeLog
Started work on Shattered Balance
3 modules available via decision
Legalism buff
Better CB req localisation
More localisation improvements
Muslim city vassal request fix
Missing is_triggered_only
Coerced members improved
Imperial Reconquest fix
Various minor fixes/cleanup
Initial crown authority revocation cooldown implementation + Bugfixes
Revert single-tier reduction of title revocation slider