Parts display correctly in WAILA

Register an method that can be overidden

Register the same method in the interface

New class that picks the item and displays it to WAILA

Register the new class and call the other class method

Import in PartWailaDataProvider

Fixed errors

Renamed all Display -> Stack

Stuff

src/main/java/appeng/integration/modules/waila/part/PartStackWailaDataProvider.java

@@ -0,0 +1,42 @@
+/*
+ * This file is part of Applied Energistics 2.
+ * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
+ *
+ * Applied Energistics 2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Applied Energistics 2 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
+ */
+
+package appeng.integration.modules.waila.part;
+
+import appeng.api.parts.IPart;
+import appeng.api.parts.PartItemStack;
+import mcp.mobius.waila.api.IWailaConfigHandler;
+import net.minecraft.item.ItemStack;
+
+/**
+ *  Part ItemStack provider for WAILA
+ *
+ * @author TheJulianJES
+ * @version rv3
+ * @since rv3
+ */
+public class PartStackWailaDataProvider extends BasePartWailaDataProvider {
+
+	@Override
+	public ItemStack getWailaStack( IPart part, IWailaConfigHandler config, ItemStack partStack )
+	{
+		partStack = part.getItemStack( PartItemStack.Pick );
+		return partStack;
+	}
+
+}