AthExThinning → AthenaBaseComps Relation

File in Control/AthenaExamples/AthExThinning	Includes file in Control/AthenaBaseComps
AthExThinning / CreateData.h	AthenaBaseComps / AthAlgorithm.h
AthExThinning / ReadThinnedData.h	AthenaBaseComps / AthAlgorithm.h
AthExThinning / WriteThinnedData.h	AthenaBaseComps / AthAlgorithm.h