fieldformatter → vector Relation

File in src/core/fieldformatter	Includes file in src/core/vector
qgscheckboxfieldformatter.cpp	qgsvectorlayer.h
qgsdatetimefieldformatter.cpp	qgsvectorlayer.h
qgsrangefieldformatter.cpp	qgsvectorlayer.h
qgsrelationreferencefieldformatter.cpp	qgsvectorlayer.h
qgsvaluemapfieldformatter.cpp	qgsvectorlayer.h
qgsvaluerelationfieldformatter.cpp	qgsvectorlayer.h
qgsvaluerelationfieldformatter.cpp	qgsvectorlayerref.h