Update to Minecraft 1.13.1

By: md_5 <git@md-5.net>

paper-server/nms-patches/ShapelessRecipes.patch

@@ -20,7 +20,7 @@
 +    public org.bukkit.inventory.ShapelessRecipe toBukkitRecipe() {
 +        CraftItemStack result = CraftItemStack.asCraftMirror(this.result);
 +        CraftShapelessRecipe recipe = new CraftShapelessRecipe(result, this);
-+        recipe.setGroup(this.b);
++        recipe.setGroup(this.group);
 +
 +        for (RecipeItemStack list : this.ingredients) {
 +            list.buildChoices();
@@ -32,7 +32,7 @@
 +    // CraftBukkit end
 +
      public MinecraftKey getKey() {
-         return this.a;
+         return this.key;
      }
 @@ -127,11 +147,11 @@
              packetdataserializer.a(shapelessrecipes.result);