/**
* Empty plugin database table
*
* @param string $table_name - table to empty
* @param string $msg - show "emptied" message or not
*/
public function emptyTable($table_name = '', $msg = true)
{
require_once LIBS . 'Maintenance.php';
$maintenance = new Maintenance();
$maintenance->emptyTable($this, $table_name, $msg);
}