...to _not_ use a racial prefix. (except for wose and ogre who's
racial and unit names are sometimes identical) also altered CFGs to
look in the right place for the images.
* decreased the grassland defense from 50% to 40% for the Sentinel
* added Elder Wose, Saurian Icecaster and Soothsayer as leaders in default era but not as random_leader
* added many level 2 units and the Ancient Wose as leaders in AoH but not as random_leader
* added Stalwart as a leader for the Dwarves in the classic era
* fixed typo
...(except for Great war) in their own file in data/factions.
This will make easier to make combined eras without having to maintain
mainline factions.
