[FAB-5628] Make peer CLI broadcast errors useful

This is a simple one line fix to expose the info message returned along
with the status code when the peer CLI makes broadcast calls (such as
for creating or updating channels).

Change-Id: I22c458b76259201615a8581ecea8a63f00cad201
Signed-off-by: Jason Yellick <jyellick@us.ibm.com>

Author: Jason Yellick

peer/common/ordererclient.go

@@ -82,7 +82,7 @@ func (s *broadcastClient) getAck() error {
 		return err
 	}
 	if msg.Status != cb.Status_SUCCESS {
-		return fmt.Errorf("Got unexpected status: %v", msg.Status)
+		return fmt.Errorf("Got unexpected status: %v -- %s", msg.Status, msg.Info)
 	}
 	return nil
 }