SotBE S4: add note about side 3 units not being carried over
SotBE S6: make Affman a grunt on medium and hard

Otherwise, he sometimes keeps the AI busy all by himself for quite a
while which is okay for easy difficulty, but not for the other two.
SotBE S6: put only 3 transports out there on easy difficulty
SotBE S8: adjust initial village ownerships to new map

This also contains a work-around for a bug in SLFs introduced in 1.11.8.