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-Server-Patches/Optimize-Server-World-Map.patch

@@ -21,7 +21,7 @@ known NMS used methods, but we can add more if naughty plugins are found later.
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldMap.java b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
 new file mode 100644
-index 00000000..6bb2f98b
+index 0000000000..6bb2f98b45
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
 @@ -0,0 +0,0 @@
@@ -217,7 +217,7 @@ index 00000000..6bb2f98b
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 6c6e8eae..e7197f20 100644
+index ec4ce59c5e..c97bbe933d 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas