NAME:
  naifname
 PURPOSE:
  Convert an ephem standard name to a common name (NAif name scheme)
 DESCRIPTION:

 CATEGORY:
  Astronomy
 CALLING SEQUENCE:
  propername = naifname(standardname)
 INPUTS:
  standardname = string, standard name code (see EPHEM)
 OPTIONAL INPUT PARAMETERS:

 KEYWORD INPUT PARAMETERS:

 OUTPUTS:
  return is the proper string name, or, the input if standard name isn't
    recognized.
 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 RESTRICTIONS:

 PROCEDURE:

 MODifICATION HISTORY:
  1997/02/12 - Written by Marc W. Buie, Lowell Observatory
  2009/08/19, MWB, added some new codes
  2013/03/06, MWB, allow vector input, added new names