Rename THcHodoscopeHit class to THcRawHodoHit
  This is anticipation of a new hit class for processed hits.
  To make it clear that this hit class is for decoding into hit lists
Properly zero out traceback coefficients and exponents.
  This insures that 5th exponent is zero if not specified on recon file
Golden track using prune:
      Selection of golden track using prune method is added.
      A bug is also fixed in THcHodoscope class
      Number of pmts hits, focal plane time, good time for plane 4
      and good time for plane 3 are set to the tracks in
      THcHodoscope class.
Supply SOS particle mass for run 50017 in test.database
Remove old source file from examples
Merge remote-tracking branch 'upstream/develop' into develop_macosx