Preserve whitelist ordering. Addresses BUKKIT-1805

src/main/java/net/minecraft/server/ServerConfigurationManager.java

@@ -13,6 +13,8 @@ import java.util.Set;
 import java.util.logging.Logger;
 
 // CraftBukkit start
+import java.util.LinkedHashSet;
+
 import org.bukkit.Location;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
@@ -37,7 +39,7 @@ public class ServerConfigurationManager {
     public Set banByName = new HashSet(); // CraftBukkit - private -> public
     public Set banByIP = new HashSet(); // CraftBukkit - private -> public
     public Set operators = new HashSet(); // CraftBukkit - private -> public
-    private Set whitelist = new HashSet();
+    private Set whitelist = new LinkedHashSet(); // CraftBukkit - HashSet() -> LinkedHashSet();
     private File j;
     private File k;
     private File l;

src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -9,6 +9,7 @@ import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -1025,7 +1026,7 @@ public final class CraftServer implements Server {
     }
 
     public Set<OfflinePlayer> getWhitelistedPlayers() {
-        Set<OfflinePlayer> result = new HashSet<OfflinePlayer>();
+        Set<OfflinePlayer> result = new LinkedHashSet<OfflinePlayer>();
 
         for (Object name : server.getWhitelisted()) {
             result.add(getOfflinePlayer((String) name));