DB/Conditions: make Frenzyheart fury only affect players

Closes #6408
DB/SAI: add SAI for The Black Knight's Curse

Closes #7402
DB/SAI: add SAI for the quest Fozruk, Feeboz, Znort and Sleeby

Closes #7920
DB/SAI: add SAI for Wretched Skulker/Bruiser/Husk

Closes #10034
DB/Loot: Gnomish Grenades have Very High drop chance

Closes #10086
DB/Player: add Wooly Mammoth & Armored Brown Bear to factionchange

Closes #10098
Core/Scripting: Gyth event still not finished but completable.
DB/Creature: Fix startup error
DB/Misc: Remove some db strings and waypoint scripts. Repalce with creature text and SAI.
DB/Misc: move text from db string to creature_text.
Db/Misc: More db strings to creature text