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/0069-Add-PlayerJumpEvent.patch

@@ -1,4 +1,4 @@
-From c4ca332d0ca8e7faf24ebde6d024bfd7af31c49c Mon Sep 17 00:00:00 2001
+From 0d1a83fae7d8aa0b04d3fcf518df34570be93c7b Mon Sep 17 00:00:00 2001
 From: Zach Brown <zach.brown@destroystokyo.com>
 Date: Thu, 28 Sep 2017 17:21:32 -0400
 Subject: [PATCH] Add PlayerJumpEvent
@@ -117,5 +117,5 @@ index 000000000..289a0d784
 +    }
 +}
 -- 
-2.25.1
+2.26.2