Backport support for updated IDataProviderSvc (gaudi/Gaudi!474)
See gaudi/Gaudi!474 (merged), !935 (merged), !961 (merged)
Closes LHCBPS-1828
Edited by Marco Cattaneo
See gaudi/Gaudi!474 (merged), !935 (merged), !961 (merged)
Closes LHCBPS-1828