void AddItemToInventory(Item_old i)
{
GameObject tempObj = Instantiate(itemPrefab, gridLayout.transform) as GameObject;
tempObj.GetComponent <Image> ().sprite = i.image;
//tempObj.GetComponentInChildren<Text> ().text = i.name;
}
public static void AddItem(Item_old i)
{
items.Add(i);
//Update UI
}