Update to Minecraft 1.9

CraftBukkit-Patches/0147-Optimize-Chunk-Saving-Memory-Allocation-and-Compress.patch

@@ -0,0 +1,31 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sat, 29 Aug 2015 13:59:25 -0400
+Subject: [PATCH] Optimize Chunk Saving Memory Allocation and Compression
+
+Minecraft ineffeciently uses OutputStreams by calling .write(int) on the stream.
+For Chunks, this is a DeflaterOutputStream, which allocates a single byte EVERY write.
+
+This is causing the server to allocate tons of new byte[1] objects.
+Additionally, this is very ineffecient for the Deflate process.
+
+By Buffering Writes the same way it already is Buffering Reads, we will
+write to the stream much more effeciently.
+
+diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/RegionFile.java
++++ b/src/main/java/net/minecraft/server/RegionFile.java
+@@ -0,0 +0,0 @@ public class RegionFile {
+         }
+     }
+ 
+-    public DataOutputStream b(int i, int j) {
+-        return this.d(i, j) ? null : new DataOutputStream(new BufferedOutputStream(new DeflaterOutputStream(new RegionFile.ChunkBuffer(i, j))));
++    public DataOutputStream b(int i, int j) { // PAIL: getChunkOutputStream
++        // PAIL: isInvalidRegion
++        return this.d(i, j) ? null : new DataOutputStream(new java.io.BufferedOutputStream(new DeflaterOutputStream(new RegionFile.ChunkBuffer(i, j)))); // Spigot - use a BufferedOutputStream to greatly improve file write performance
+     }
+ 
+     protected synchronized void a(int i, int j, byte[] abyte, int k) {
+--