Visible Armor Slots

Added accessible armor and off-hand slots to blocks:

• Enchantment Table;
• Anvil;
• Chest;
• Trapped Chest;
• Double Chest;
• Trapped Double Chest;
• Ender Chest;
• Furnace;
• Crafting Table;
• Dropper;
• Dispenser;
• Hopper;
• Brewing Stand;
• Beacon;