Update upstream B/CB/S

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

@@ -5,7 +5,7 @@ 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 673f1a3eb..51cf0bfe8 100644
+index e83b2ac7..7c700cc2 100644
 --- a/src/main/java/org/bukkit/World.java
 +++ b/src/main/java/org/bukkit/World.java
 @@ -0,0 +0,0 @@ public interface World extends PluginMessageRecipient, Metadatable {
@@ -23,6 +23,6 @@ index 673f1a3eb..51cf0bfe8 100644
 +    // Paper end
 +
      /**
-      * Gets the unique name of this world
-      *
+      * Returns a list of entities within a bounding box centered around a
+      * Location.
 --