excersise_1

Purpose: to show/learn how a program can communicate with the blackboard
         and through the blackboard to another program

Usage: source .iferc_x1
	run ex1_bb
	and watch what happens on the bb by typing "update_me<tab>uswer_dialog"
	to shut down one of the clients type on the bb
	either
	post<tab>user_dialog<tab>disconnect<tab>TWO_BB_1
	or
	post<tab>user_dialog<tab>disconnect<tab>2_bb_2
