Add 1.9.1 support.

By: md_5 <git@md-5.net>

paper-server/nms-patches/HandshakeListener.patch

@@ -18,10 +18,17 @@
      private final MinecraftServer a;
      private final NetworkManager b;
  
-@@ -16,6 +26,41 @@
+@@ -11,12 +21,48 @@
+     }
+ 
+     public void a(PacketHandshakingInSetProtocol packethandshakinginsetprotocol) {
++        this.b.channel.pipeline().get(PacketEncoder.class).version = packethandshakinginsetprotocol.b(); // CraftBukkit
+         switch (HandshakeListener.SyntheticClass_1.a[packethandshakinginsetprotocol.a().ordinal()]) {
+         case 1:
              this.b.setProtocol(EnumProtocol.LOGIN);
              ChatComponentText chatcomponenttext;
  
+-            if (packethandshakinginsetprotocol.b() > 107) {
 +            // CraftBukkit start - Connection throttle
 +            try {
 +                long currentTime = System.currentTimeMillis();
@@ -57,10 +64,11 @@
 +            }
 +            // CraftBukkit end
 +
-             if (packethandshakinginsetprotocol.b() > 107) {
++            if (packethandshakinginsetprotocol.b() > 108) {
                  chatcomponenttext = new ChatComponentText("Outdated server! I\'m still on 1.9");
                  this.b.sendPacket(new PacketLoginOutDisconnect(chatcomponenttext));
-@@ -26,6 +71,7 @@
+                 this.b.close(chatcomponenttext);
+@@ -26,6 +72,7 @@
                  this.b.close(chatcomponenttext);
              } else {
                  this.b.setPacketListener(new LoginListener(this.a, this.b));