print program output.

go/qst.go

@@ -98,6 +98,8 @@ func ShellCmd(cmd string) RestartableCommand {
func (c *RestartableCommand) Start() {
	c.Cmd = exec.Command(c.Name, c.Args...)
	c.Cmd.Stderr = os.Stderr
	c.Cmd.Stdout = os.Stdout
	c.Lock.Lock()
	go func() {
		c.Cmd.Run()