Relocate Source to proper directory.

src/main/java/appeng/core/CreativeTab.java

@@ -0,0 +1,50 @@
+package appeng.core;
+
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.init.Blocks;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import appeng.api.AEApi;
+import appeng.api.util.AEItemDefinition;
+
+public final class CreativeTab extends CreativeTabs
+{
+
+	public static CreativeTab instance = null;
+
+	public CreativeTab() {
+		super( "appliedenergistics2" );
+	}
+
+	@Override
+	public Item getTabIconItem()
+	{
+		return getIconItemStack().getItem();
+	}
+
+	@Override
+	public ItemStack getIconItemStack()
+	{
+		return findFirst( AEApi.instance().blocks().blockController, AEApi.instance().blocks().blockChest, AEApi.instance().blocks().blockCellWorkbench, AEApi
+				.instance().blocks().blockFluix, AEApi.instance().items().itemCell1k, AEApi.instance().items().itemNetworkTool,
+				AEApi.instance().materials().materialFluixCrystal, AEApi.instance().materials().materialCertusQuartzCrystal );
+	}
+
+	private ItemStack findFirst(AEItemDefinition... choices)
+	{
+		for (AEItemDefinition a : choices)
+		{
+			ItemStack is = a.stack( 1 );
+			if ( is != null )
+				return is;
+		}
+
+		return new ItemStack( Blocks.chest );
+	}
+
+	public static void init()
+	{
+		instance = new CreativeTab();
+	}
+
+}