RotateRight = function (array, total)
{
    if (total === undefined) { total = 1; }

    var element = null;

    for (var i = 0; i < total; i++)
    {
        element = array.pop();
        array.unshift(element);
    }

    return element;
}
Moves the element at the end of the array to the start, shifting all items in the process.
The "rotation" happens to the right.

@function Phaser.Utils.Array.RotateRight
@since 3.0.0

@param {array} array - The array to shift to the right. This array is modified in place.
@param {number} [total=1] - The number of times to shift the array.

@return {*} The most recently shifted element.