go to stream
make it thread kosher
made it thread safe and const
make it const, move to stream
make discriminate const
make JetProducer stream
open ONE TFile
made it atomic
move it in base class to avoid mutable
make stream also localreco
make stream also PFCTRecHitProducer
Merge pull request #4900 from VinInn/PF2Stream

Pf2 stream