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/0081-Fill-Profile-Property-Events.patch

@@ -1,4 +1,4 @@
-From a9c4c45122619d2ce3561c256614f4c81b893309 Mon Sep 17 00:00:00 2001
+From 9389a54198096a32e5e1ff73b5a0d6effd4eec27 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Tue, 2 Jan 2018 00:31:08 -0500
 Subject: [PATCH] Fill Profile Property Events
@@ -175,5 +175,5 @@ index 000000000..021bc8631
 +    }
 +}
 -- 
-2.25.1
+2.26.2