Changes made in Sense-Clusters version 0.19 during version 0.21

Amruta Purandare amruta@cs.pitt.edu
Ted Pedersen 	 tpederse@umn.edu

University of Minnesota at Duluth

1.	Added perldocs for programs in Toolkit/cluster 

(Changelog-v0.19to0.21 Last Updated on 05/20/2003 by Amruta)
