func customCell(_ cell: UICollectionViewCell, didPressButton: UIButton, indexPathRow: Int, commentPost: String, commentatorImage: UIImageView, commentatorName: UILabel, comments: UITextView) {
    DispatchQueue.main.asyncAfter(deadline: .now() + 2.0, execute: {
        self.collectionView.reloadData()
        self.postComment(commentatorImage: commentatorImage, commentatorName: commentatorName, comments: comments) })
}

override func viewDidLayoutSubviews()
{
    super.viewDidLayoutSubviews()
    let indexPath = IndexPath(item: 12, section: 0)
    self.collectionView.scrollToItem(at: indexPath, at: [.centeredVertically,   .centeredHorizontally], animated: true)
}