Removing space of table seperator ( Drawing sperator full width)

http://www.malcontentboffin.com/2014/10/28/Make-iOS-8-Table-View-Cell-Separators-Full-Width

    override 

func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {

        //remove identation line ( draw full seperator.)

        cell.separatorInset = UIEdgeInsetsZero

        cell.layoutMargins = UIEdgeInsetsZero

        cell.preservesSuperviewLayoutMargins = false

    }