Update to Minecraft 1.9

CraftBukkit-Patches/0146-Clear-Packet-Queue-on-Disconnect.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: md_5 <git@md-5.net>
+Date: Wed, 22 Jul 2015 19:04:37 +1000
+Subject: [PATCH] Clear Packet Queue on Disconnect
+
+
+diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/NetworkManager.java
++++ b/src/main/java/net/minecraft/server/NetworkManager.java
+@@ -0,0 +0,0 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
+                 } else if (this.i() != null) {
+                     this.i().a(new ChatComponentText("Disconnected"));
+                 }
++                this.i.clear(); // Free up packet queue.
+             }
+ 
+         }
+diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnection.java
++++ b/src/main/java/net/minecraft/server/PlayerConnection.java
+@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
+         }
+ 
+         // CraftBukkit start
+-        if (packet == null) {
++        if (packet == null || this.processedDisconnect) { // Spigot
+             return;
+         } else if (packet instanceof PacketPlayOutSpawnPosition) {
+             PacketPlayOutSpawnPosition packet6 = (PacketPlayOutSpawnPosition) packet;
+--