qa → parallel Relation

File in reco/littrack/cbm/qa	Includes file in reco/littrack/parallel
fieldapr / CbmLitFieldApproximationQa.cxx	LitFieldGrid.h
fieldapr / CbmLitFieldApproximationQa.cxx	LitFieldSlice.h
fieldapr / CbmLitFieldApproximationQa.cxx	LitFieldValue.h