clean up test output

- removed a few remaing places where output wasn't being passed
  through echo_i or cat_i
- added a "digcomp" function to conf.sh.in to send digcomp.pl output
  through cat_i and return the correct exit value
- set SYSTESTDIR when calling echo_i from nsX directories, so that
  the test name will always be printed correctly
- fixed a test name typo in conf.sh.in

bin/tests/system/dialup/tests.sh

@@ -9,8 +9,6 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
-# $Id: tests.sh,v 1.6 2007/06/19 23:47:01 tbox Exp $
-
 SYSTEMTESTTOP=..
 . $SYSTEMTESTTOP/conf.sh
 
@@ -34,7 +32,7 @@ do
 		try=`expr $try + 1`
 		sleep 1
 	else
-		$PERL ../digcomp.pl dig.out.ns1.test dig.out.ns2.test || ret=1
+                digcomp dig.out.ns1.test dig.out.ns2.test || ret=1
 		break;
 	fi
 done
@@ -53,7 +51,7 @@ do
 		try=`expr $try + 1`
 		sleep 1
 	else
-		$PERL ../digcomp.pl dig.out.ns1.test dig.out.ns3.test || ret=1
+                digcomp dig.out.ns1.test dig.out.ns3.test || ret=1
 		break;
 	fi
 done