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/0011-Add-BeaconEffectEvent.patch

@@ -1,4 +1,4 @@
-From 2aa65d30322969ef1977dfbb7e972747b19e6398 Mon Sep 17 00:00:00 2001
+From ad5e2c1dff96cd282de8d908b8d35a90b04daf29 Mon Sep 17 00:00:00 2001
 From: Byteflux <byte@byteflux.net>
 Date: Mon, 29 Feb 2016 18:09:40 -0600
 Subject: [PATCH] Add BeaconEffectEvent
@@ -97,5 +97,5 @@ index 000000000..978813b94
 +    }
 +}
 -- 
-2.25.1
+2.26.2