21.2 RefitPV excluding vertex tracks
Main idea is to refit PV which used in vertex+PV fitting. Fitting with PV was removed from JpsiPlus2Tracks and now used in ReVertex only. PV refitting was implemented in ClosePV method of JpsiUpsilonCommon. BPHY11.py was updated in order to implement all above.
Edited by Konstantin Beloborodov