add chi2,nhits,npixel. add 2 covariance parameters. to be cleaned up (e.g. hitpattern filling and other stuff)
pt cut for track properties configurable in producer
fix pseudo tracks. add UsedInPVFit flag. add vertex and tracks adapter. add btag example config. change packing of nHits
when jet daughter cleaning is off it rekeys the daughters to packed candidates
Associate PAT Electrons, Photons and Muons to their (Packed)PFCandidates
Introduce slimmers for all objects.