Help for CLUSTERER

PURPOSE

 This program performs K-Means clustering on the input ibis file.  The
 input file should be the output file from "sampler" program. Output
 from this program typically is consumed by the "classifier" program.

 ORIGINAL PROGRAMMER:   P. Kim  16 Sep 2011

 REVISIONS:
 2016-10-20 WLB - Migrated to MIPL, enhanced test.
 2017-08-03 WLB - Removed DEBUG from imake.
 2019-08-22 WLB - IDS-7922 - Cleaned up -Wall warnings and two sprintfs.