JEC 18/1/06 move to new OpenScientists BatchLab/OnXLab packages
o introduction of Hit/Digit Collection type (GB)
o interactive plotting facities (GB)
o (JEC) 24/1/06 introduction of TrackingActionMessenger to switch the drawing of the optical photons
o WCSD
JEC 25/1/06 use a DetectorConstruction ptr to access the PMTLocation
o DetectorConstruction
JEC 25/1/06 remove the static variables and associated functions