//ADD TO Player1ViewController.swift
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        let vc = segue.destination as! Player2ViewController;
        vc.p1Name = player1Name;
        vc.p2Name = player2Name;

        if (segue.identifier == "rock") {
            vc.p1Selection = "rock";
        }
        else if (segue.identifier == "paper") {
            vc.p1Selection = "paper";
        }
        else if (segue.identifier == "scissors") {
            vc.p1Selection = "scissors";
        }
    }