Added creative tabs for blocks and items and associated language entries. Added check for iron nugget, to prevent double registry.

src/main/java/com/sosnitzka/taiga/CreativeTab.java

@@ -0,0 +1,27 @@
+package com.sosnitzka.taiga;
+
+
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.item.Item;
+
+import static com.sosnitzka.taiga.Blocks.adamantiteBlock;
+import static com.sosnitzka.taiga.Items.noctunyxIngot;
+
+public class CreativeTab {
+
+    public static final CreativeTabs tabTaigaBlock = new CreativeTabs("taiga_block") {
+        @Override
+        public Item getTabIconItem() {
+            return Item.getItemFromBlock(adamantiteBlock);
+        }
+    };
+
+    public static final CreativeTabs tabTaigaItem = new CreativeTabs("taiga_item") {
+        @Override
+        public Item getTabIconItem() {
+            return noctunyxIngot;
+        }
+    };
+
+
+}