Updated Upstream (Bukkit/CraftBukkit/Spigot)

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

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

Bukkit Changes:
b850a822 SPIGOT-4526: Add conversion time API for Zombie & subclasses

CraftBukkit Changes:
38cf676e SPIGOT-4534: CreatureSpawnEvent not being called for CHUNK_GEN
b446cb5d SPIGOT-4527: Fix sponges with waterlogged blocks
6ec8ea5c SPIGOT-4526: Add conversion time API for Zombie & subclasses
c64fe508 Mappings Update
a3c2ec03 Fix missing ServerListPingEvent call for legacy pings

Spigot Changes:
1dc156ce Rebuild patches
140f654d Mappings Update

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 570715ea6..f95464f64 100644
+index 0adea6a17..174e84760 100644
 --- a/src/main/java/net/minecraft/server/BlockRedstoneWire.java
 +++ b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
 @@ -0,0 +0,0 @@
@@ -1140,7 +1140,7 @@ index 570715ea6..f95464f64 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 d202360bd..05256ad3c 100644
+index a877d4a6b..d14ee6b9b 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