Updated Upstream (Bukkit/CraftBukkit)

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:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item

Spigot-API-Patches/0079-PlayerNaturallySpawnCreaturesEvent.patch

@@ -1,4 +1,4 @@
-From a33bd8275812e8768a043bc3f267fbf8ac6db744 Mon Sep 17 00:00:00 2001
+From 4a8edbf79556ad5f288957d8876a9cdb60fb3693 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sun, 14 Jan 2018 17:31:37 -0500
 Subject: [PATCH] PlayerNaturallySpawnCreaturesEvent
@@ -79,5 +79,5 @@ index 000000000..112a0dbf5
 +    }
 +}
 -- 
-2.25.1
+2.26.2