Add additional data to THaTrack if HALLC_MODS is defined
  THaTrack has two new member variables and corresponding methods.
   fDedx, SetDedx(), GetDedx()  Energy loss in the hodoscope
   fEnergy, SetEnergy(), GetEnergy()  Energy from the shower counter
Only compiled if HALLC_MODS is set
Add fNPM, fBetaChi2, fFPTime, fGoodPlane3, fGoodPlane4 to THaTrack