update runL1Tracks_cfg.py to produce a collection of L1Tracks with a different label
added pTFrom2Stubs.cc from Jelena and adapted L1TkElectronTrackProducer.cc accordingly
add pTFrom2Stubs from Jelena and update L1TkElectronTrackProducer accordingly (bool useTwoStubsPT set to False)
correct teh include in pTFrom2Stubs.cc