AreaTrigger → common Relation

File in server/game/Entities/AreaTrigger	Includes file in common
AreaTrigger.cpp	Utilities / advstd.h
AreaTrigger.cpp	Utilities / Containers.h
AreaTrigger.cpp	Logging / Log.h
AreaTriggerTemplate.h	Define.h
AreaTriggerTemplate.h	Utilities / EnumFlag.h
AreaTriggerTemplate.h	Utilities / Optional.h