Add reason for stopping and extra arguments.

api/src/main/java/net/md_5/bungee/api/ProxyServer.java

@@ -147,6 +147,13 @@ public abstract class ProxyServer
      */
     public abstract void stop();
 
+    /**
+     * Gracefully mark this instance for shutdown.
+     *
+     * @param reason the reason for stopping. This will be shown to players.
+     */
+    public abstract void stop(String reason);
+
     /**
      * Start this instance so that it may accept connections.
      *

proxy/src/main/java/net/md_5/bungee/BungeeCord.java

@@ -334,6 +334,12 @@ public class BungeeCord extends ProxyServer
 
     @Override
     public void stop()
+    {
+        stop( getTranslation( "restart" ) );
+    }
+
+    @Override
+    public void stop(final String reason)
     {
         new Thread( "Shutdown Thread" )
         {
@@ -353,7 +359,7 @@ public class BungeeCord extends ProxyServer
                     getLogger().log( Level.INFO, "Disconnecting {0} connections", connections.size() );
                     for ( UserConnection user : connections.values() )
                     {
-                        user.disconnect( getTranslation( "restart" ) );
+                        user.disconnect( reason );
                     }
                 } finally
                 {

proxy/src/main/java/net/md_5/bungee/command/CommandEnd.java

@@ -1,5 +1,6 @@
 package net.md_5.bungee.command;
 
+import com.google.common.base.Joiner;
 import net.md_5.bungee.BungeeCord;
 import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.plugin.Command;
@@ -18,7 +19,13 @@ public class CommandEnd extends Command
 
     @Override
     public void execute(CommandSender sender, String[] args)
+    {
+        if ( args.length == 0 )
         {
             BungeeCord.getInstance().stop();
+        } else
+        {
+            BungeeCord.getInstance().stop( Joiner.on( ' ' ).join( args ) );
+        }
     }
 }