Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Developers!: You will need to clean up your work/Minecraft/1.13.2 folder
for this

Also, restore a patch that was dropped in the last upstream

Bukkit Changes:
279eeab3 Fix command description not being set
96e2bb18 Remove debug print from SyntheticEventTest

CraftBukkit Changes:
d3ed1516 Fix dangerously threaded beacons
217a293d Don't relocate joptsimple to allow --help to work.
1be05a21 Prepare for imminent Java 12 release
a49270b2 Mappings Update
5259d80c SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports

Spigot Changes:
e6eb36f2 Rebuild patches

Spigot-API-Patches/0116-Add-World.getEntity-UUID-API.patch

@@ -1,31 +0,0 @@
-From 19a954d1f19d9c3d5211d42c13b11991e61f5359 Mon Sep 17 00:00:00 2001
-From: Brokkonaut <hannos17@gmx.de>
-Date: Tue, 3 Jul 2018 16:07:16 +0200
-Subject: [PATCH] Add World.getEntity(UUID) API
-
-
-diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
-index dcc47cde5..5ccd8500d 100644
---- a/src/main/java/org/bukkit/World.java
-+++ b/src/main/java/org/bukkit/World.java
-@@ -785,6 +785,17 @@ public interface World extends PluginMessageRecipient, Metadatable {
-     @NotNull
-     public Collection<Entity> getNearbyEntities(@NotNull Location location, double x, double y, double z);
- 
-+    // Paper start - getEntity by UUID API
-+    /**
-+     * Gets an entity in this world by its UUID
-+     *
-+     * @param uuid the UUID of the entity
-+     * @return the entity with the given UUID, or null if it isn't found
-+     */
-+    @Nullable
-+    public Entity getEntity(@NotNull UUID uuid);
-+    // Paper end
-+
-     /**
-      * Returns a list of entities within a bounding box centered around a
-      * Location.
--- 
-2.21.0
-