Moved all vanilla commands into Bukkit

src/main/java/org/bukkit/command/defaults/StopCommand.java

@@ -0,0 +1,29 @@
+package org.bukkit.command.defaults;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+public class StopCommand extends VanillaCommand {
+    public StopCommand() {
+        super("stop");
+        this.description = "Stops the server";
+        this.usageMessage = "/stop";
+        this.setPermission("bukkit.command.stop");
+    }
+
+    @Override
+    public boolean execute(CommandSender sender, String currentAlias, String[] args) {
+        if (!testPermission(sender)) return true;
+
+        Command.broadcastCommandMessage(sender, "Stopping the server..");
+        Bukkit.shutdown();
+
+        return true;
+    }
+
+    @Override
+    public boolean matches(String input) {
+        return input.startsWith("stop");
+    }
+}