move SpreadEstimator, SharedCells, Digit2ClusterConnector from LHCb to CaloFutureReco
move SpreadEstimator, SharedCells, Digit2ClusterConnector from LHCb to CaloFutureReco
Edited by Gerhard Raven
move SpreadEstimator, SharedCells, Digit2ClusterConnector from LHCb to CaloFutureReco