ConnectorSeedingAlgorithm/KappaConnectorCleaning re-implemented with
different connection/cleaning strategy
Commented connector event display related methods in
ConnectorClusteringParentAlgorithm removed
DummyClusteringAlgorithm re-adapted to fit the new Arbor content. Still
build one pandora cluster with isolated hits
SDHCAL Arbor settings updated with new arbor content