Updated Upstream (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

CraftBukkit Changes:
eb2e6578 SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance
989f9b3d SPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate events
f554183c SPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving
2349feb8 SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block

Spigot Changes:
9a643a6a Remove DataWatcher Locking

Spigot-Server-Patches/Optimize-Server-World-Map.patch

@@ -21,7 +21,7 @@ known NMS used methods, but we can add more if naughty plugins are found later.
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldMap.java b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
 new file mode 100644
-index 0000000000..6bb2f98b45
+index 000000000..6bb2f98b4
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
 @@ -0,0 +0,0 @@
@@ -217,7 +217,7 @@ index 0000000000..6bb2f98b45
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index ac80ec7aeb..cb630fda6e 100644
+index ac80ec7ae..cb630fda6 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas