SortingOrderHack.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SortingOrderHack : MonoBehaviour {

    public string targetSortingLayer = "Transparent";
    public int targetSortingOrder = 1;

    // Use this for initialization
    void Start () {
        GetComponent<Renderer> ().sortingLayerName = targetSortingLayer;
        GetComponent<Renderer> ().sortingOrder = targetSortingOrder;
    }
}