-(void)tableView:(UITableView )tableView willDisplayCell:(UITableViewCell )cell forRowAtIndexPath:(NSIndexPath *)indexPat{
if ([cell respondsToSelector: @selector(setLayoutMargins:)]) {
[cell setLayoutMargins: UIEdgeInsetsZero];
}
if ([cell respondsToSelector:@selector(setSeparatorInset:)]){
[cell setSeparatorInset: UIEdgeInsetsZero];
}
}