Relocate Source to proper directory.

src/main/java/appeng/util/inv/ItemSlot.java

@@ -0,0 +1,40 @@
+package appeng.util.inv;
+
+import net.minecraft.item.ItemStack;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.util.item.AEItemStack;
+
+public class ItemSlot
+{
+
+	public int slot;
+
+	// one or the other..
+	private IAEItemStack aeitemstack;
+	private ItemStack itemStack;
+
+	public boolean isExtractable;
+
+	public void setItemStack(ItemStack is)
+	{
+		aeitemstack = null;
+		itemStack = is;
+	}
+
+	public void setAEItemStack(IAEItemStack is)
+	{
+		aeitemstack = is;
+		itemStack = null;
+	}
+
+	public ItemStack getItemStack()
+	{
+		return itemStack == null ? (aeitemstack == null ? null : (itemStack = aeitemstack.getItemStack())) : itemStack;
+	}
+
+	public IAEItemStack getAEItemStack()
+	{
+		return aeitemstack == null ? (itemStack == null ? null : (aeitemstack = AEItemStack.create( itemStack ))) : aeitemstack;
+	}
+
+}