Added isUnarmed Method

Checks if the player is not holding a tool, as opposed to checking if
the player is holding air. This means that attacking with something such
as a dirt block would count as unarmed.

src/main/java/com/gmail/nossr50/util/ItemUtils.java

@@ -13,6 +13,7 @@ import org.bukkit.material.Dye;
 
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.config.party.ItemWeightConfig;
+import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.locale.LocaleLoader;
 
 public final class ItemUtils {
@@ -146,6 +147,20 @@ public final class ItemUtils {
         }
     }
 
+    /**
+     * Checks if the item counts as unarmed.
+     *
+     * @param item Item to check
+     * @return true if the item counts as unarmed, false otherwise
+     */
+    public static boolean isUnarmed(ItemStack item) {
+        if (Config.getInstance().getUnarmedItemsAsUnarmed()) {
+            return !isMinecraftTool(item);
+        }
+
+        return item.getType() == Material.AIR;
+    }
+
     /**
      * Checks if the item is a helmet.
      *