Fix crash when opening victory screen on the first turn

modding: Add misspelling corrections to unique parameters in mod checker

By SomeTroglodyte:
- Fix unit icon disappearing on right-click of unit's tile 
- Fix autoplay+tutorials softlock

By EmperorPinguin:
- AI: exclude great general from escort logic 
- AI: better utilization of promoted units 
- AI: lower threshold for minimum acceptable newcity tile 

Add unit action icons for triggerables - By RobLoach