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-Server-Patches/Optimize-redstone-algorithm.patch

@@ -954,7 +954,7 @@ index 000000000..21d9d6d7e
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/BlockRedstoneWire.java b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
-index 48c79568f..a09aa6944 100644
+index 2e30270bb..72d261707 100644
 --- a/src/main/java/net/minecraft/server/BlockRedstoneWire.java
 +++ b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
 @@ -0,0 +0,0 @@
@@ -1122,7 +1122,7 @@ index 48c79568f..a09aa6944 100644
                  iblockdata.a(world, blockposition, 0);
                  world.setAir(blockposition);
 diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
-index a21de9b3d..2f12e35ac 100644
+index d9006a2d6..7f78445dc 100644
 --- a/src/main/java/net/minecraft/server/World.java
 +++ b/src/main/java/net/minecraft/server/World.java
 @@ -0,0 +0,0 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc