Update CraftBukkit to Minecraft 1.4.6

src/main/java/net/minecraft/server/ContainerEnchantTable.java

@@ -1,6 +1,5 @@
 package net.minecraft.server;
 
-import java.util.Iterator;
 import java.util.List;
 import java.util.Random;
 
@@ -152,6 +151,7 @@ public class ContainerEnchantTable extends Container {
         if (this.costs[i] > 0 && itemstack != null && (entityhuman.expLevel >= this.costs[i] || entityhuman.abilities.canInstantlyBuild)) {
             if (!this.world.isStatic) {
                 List list = EnchantmentManager.b(this.l, itemstack, this.costs[i]);
+                boolean flag = itemstack.id == Item.BOOK.id;
 
                 if (list != null) {
                     // CraftBukkit start
@@ -170,6 +170,7 @@ public class ContainerEnchantTable extends Container {
                         return false;
                     }
 
+                    // TODO: Apply Diffs
                     entityhuman.levelDown(-level);
                     for (Map.Entry<org.bukkit.enchantments.Enchantment, Integer> entry : event.getEnchantsToAdd().entrySet()) {
                         try {