Tools for HCAL clustering with time and depths   in PF 

Adding code that is currently deactivated in the release to have complete functionality in Calorimeter clustering choices.
Additions:
-Rec Hit Producers to perform all PF hit reconstrcution from hits and not use CaloTowers
-New HCAL 3D clustering with depths 
-New PF HCAL Rec hit creator utilizing the 2 max samples 
-Generalization of the 3D clustering with time code to also run on HCAL
-Customization functions    to make possible the test of different reconstruction SCENARIA
for both ECAL/HCAL
 

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