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/Expand-Explosions-API.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Expand Explosions API
 Add Entity as a Source capability, and add more API choices, and on Location.
 
 diff --git a/src/main/java/org/bukkit/Location.java b/src/main/java/org/bukkit/Location.java
-index 3387fb477..56be7e5fa 100644
+index 768af6b15..e57e22a21 100644
 --- a/src/main/java/org/bukkit/Location.java
 +++ b/src/main/java/org/bukkit/Location.java
 @@ -0,0 +0,0 @@ import java.util.Map;
@@ -18,10 +18,9 @@ index 3387fb477..56be7e5fa 100644
  import org.bukkit.util.Vector;
  import org.jetbrains.annotations.NotNull;
 @@ -0,0 +0,0 @@ public class Location implements Cloneable, ConfigurationSerializable {
-         centerLoc.setZ(getBlockZ() + 0.5);
          return centerLoc;
      }
-+
+ 
 +    /**
 +     * Creates explosion at this location with given power
 +     *
@@ -102,9 +101,10 @@ index 3387fb477..56be7e5fa 100644
 +    public boolean createExplosion(@NotNull Entity source, float power, boolean setFire, boolean breakBlocks) {
 +        return world.createExplosion(source, source.getLocation(), power, setFire, breakBlocks);
 +    }
-     // Paper end
-     @Override
-     public boolean equals(Object obj) {
++
+     /**
+      * Returns a list of entities within a bounding box centered around a Location.
+      *
 diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
 index bec405feb..dcc47cde5 100644
 --- a/src/main/java/org/bukkit/World.java