Spells → database Relation

File in server/game/Spells	Includes file in server/database
Spell.cpp	Database / DatabaseEnv.h
SpellEffects.cpp	Database / DatabaseEnv.h
SpellHistory.cpp	Database / DatabaseEnv.h
SpellHistory.h	Database / DatabaseEnvFwd.h
SpellMgr.cpp	Database / DatabaseEnv.h