Removed obsolete crusade succession law TODOs
Ibadi may now also use caliphal subjugation CB
Bugfix for recent muslim_invasion changes
AI IR tier check decisions disabled formally
Fix IR war check decision display order
Heavy fixes to IR war checks / follows CB

Assumes the SWMH Imperial Reconquest CB is Pure Truth. I couldn't
reasonably question it when aligning the decision logic and testing,
but I can say that all of the de jure liege title switcheroos which we
do by event from 1066-1100 really complicate matters in terms of
displaying what needs to be displayed to the user usefully.
Minor bugfix (to vanilla?) in other_claim
Increased AI chance of promptly taking loan at war
Bankruptcy modifier re-enabled, AI handicap
AI only takes loans at lower negative balances
Merge pull request #88 from zijistark/dev

3.4.4 release merge to Meneth/beta