add icons for some blocks and items

src/main/java/storagecraft/item/ItemStorageCell.java

@@ -1,15 +1,19 @@
 package storagecraft.item;
 
 import java.util.List;
+import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.IIcon;
 import net.minecraft.util.StatCollector;
 import net.minecraft.world.World;
 import storagecraft.storage.CellStorage;
 
 public class ItemStorageCell extends ItemSC {
+	private IIcon[] icons = new IIcon[5];
+
 	public ItemStorageCell() {
 		super("storageCell");
 
@@ -40,4 +44,16 @@ public class ItemStorageCell extends ItemSC {
 
 		CellStorage.init(stack);
 	}
+
+	@Override
+	public void registerIcons(IIconRegister register) {
+		for (int i = 0; i < 5; ++i) {
+			icons[i] = register.registerIcon("storagecraft:storageCell" + i);
+		}
+	}
+
+	@Override
+	public IIcon getIconFromDamage(int damage) {
+		return icons[damage];
+	}
 }