PlayerAI → Spells Relation

File in server/game/AI/PlayerAI	Includes file in server/game/Spells
PlayerAI.cpp	Spell.h
PlayerAI.cpp	Auras / SpellAuraEffects.h
PlayerAI.cpp	Auras / SpellAuras.h
PlayerAI.cpp	SpellHistory.h
PlayerAI.cpp	SpellMgr.h