normalized distance attribute added in Connector
ArborHelper cleaned-up wrt unused functions. GetMeanDirection()
implemented for both backward and forward directions
IEnergyFunction with Sdhcal and EcalSdhcal implementations added
ArborPluginManager registers IEnergyFunctions
ArborPFA processor for full ILD configuration added in marlin package
marlin CMakeLists.txt compiles the ArborPFA processor for ILD
Best order parameter attribute added in ObjectCleaningInfo
EnergyFunctions, ArborMonitoringAlgorithm added in ArborApiImpl
ArborMonitoring added. Mostly a copy from PandoraMonitoring via
additional functions to display connectors
ArborMonitoringAlgorithm added