Makefile and THcInterface changes to reflect the changes in podd
  scaler code

in THcScintillatorPlane

  These are left over from early development when there wasn't a table
  drive way to retrieve parameters.
  (Now we use gHcParms->LoadParmValues())

from the raw hit adc value when calculating the ADC corrected time.

  in calculation of drift chamber start time

  Pulse height corrected times saved in THcHodoHit objects.
  PulseHeightCorrection method renamed to EstimateFocalPlaneTimes
    because the pulse height correction is now done in the
    ProcessHitsMethod.

   Don't repeat comparisons of tdc values
   with fScinTdcMin and fScinTdcMax because hits only get added to
   fHodoHits (and previously fPosTDCHits, fNegTDCHits, ...) if
   the times are within these ranges.
  In THcHodoscop, remove members of fTOFPInfo that are just used
   locally.

  Eliminate usage of GetParent() many times every event.

When totolerance is large then jmax can legimately equal zero
since in effect there is one bin in the histogram.
No reason for the if statement

  Modify THcFormula and THcParmList to match changes to THaFormula
     (needed for reports)
  Small changes in THcInterface and detector classes for compatibility
     with new OO decoder and podd 1.6

  Enforce variable conventions
  Default using_scin and using_prune selection to off
  Break different track selection methods into different class methods

section of THcHallCSpectrometer to be clearer.
Does not follow the fortran in detail, but should be doing the same
thing.

  There is some unclear code in the track selection that could
  do with improvement.

  Move hodo_slop retrieval to THcHodoscope
  Get fPosCenter array length from fNelem instead of fixing length at 16
  Remove now unneeded THcScintillatorPlane creation method

  Don't start variables that are not member variables with f
  Declare temporary variables as locally as possible
  Remove some unused member variables from THcHodoscope.h

negative side PMT signals from the HMS and SOS calorimeters.

    Changes in the Ycor method of the THcShower class, and in
    examples/PARAM/hcana.param input file.

Minimm value of normalized energy  fNormETot and minum value of number of
cherenkov photo electrons, fNCerNPE, is added to parameter files for the
calculation good scintillator event for tracking efficiency.
They are  optional parameters

fScinShould and fScinDid are set to 0 or 1
and only incrmented when Shower and Cerenkov detectors are setup.

This file was missing.

NCerNPE and fNormETot be optional parameters
When there is not the  !fChern || !fShower and instead just
not increment the counter.

If calorimeter and cherenkov is not added to SOS or HMS then it prints
a warning message and does not calcualte the efficiency for that
spectrometer.

Minimm value of normalized energy and minum value of number of
cherenkov photo electrons is added to parameter files for the
calculation of tracking efficiency.