BungeeCord Support

* Provides support for IP forwarding via BungeeCord.
* Treats Bungee as Online Mode.

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

paper-server/patches/sources/net/minecraft/server/players/OldUsersConverter.java.patch

@@ -10,6 +10,15 @@
  import net.minecraft.server.MinecraftServer;
  import net.minecraft.server.dedicated.DedicatedServer;
  import net.minecraft.util.StringUtil;
+@@ -62,7 +65,7 @@
+             return new String[i];
+         });
+ 
+-        if (server.usesAuthentication()) {
++        if (server.usesAuthentication() || org.spigotmc.SpigotConfig.bungee) { // Spigot: bungee = online mode, for now.
+             server.getProfileRepository().findProfilesByNames(astring, callback);
+         } else {
+             String[] astring1 = astring;
 @@ -85,7 +88,7 @@
                  try {
                      gameprofilebanlist.load();