Update craftbukkit with new patch file

Patches/0181-Mineplex-Patches.patch

@@ -1,4 +1,4 @@
-From dab2987baf7b1908affbdda61b2019d4338d2d72 Mon Sep 17 00:00:00 2001
+From 52ffc1e292f4a6ead573bdfcd884c800b8c4b1a5 Mon Sep 17 00:00:00 2001
 From: Jonathan Williams <jonathan@mineplex.com>
 Date: Tue, 2 Sep 2014 21:54:15 -0700
 Subject: [PATCH] Mineplex Patches
@@ -1834,6 +1834,36 @@ index ea786ae..20ab405 100644
  
              world.addEntity(entity, reason);
              return (T) entity.getBukkitEntity();
+diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
+index 0c4976d..28ab76a 100644
+--- a/src/main/java/org/bukkit/craftbukkit/Main.java
++++ b/src/main/java/org/bukkit/craftbukkit/Main.java
+@@ -49,25 +49,6 @@ public class Main {
+                 + "*** Any bug reports not running the very latest versions of these softwares will be ignored ***\n\n" );
+ 
+         Enumeration<URL> resources = Main.class.getClassLoader().getResources( "META-INF/MANIFEST.MF" );
+-        while ( resources.hasMoreElements() )
+-        {
+-            Manifest manifest = new Manifest( resources.nextElement().openStream() );
+-            String ts = manifest.getMainAttributes().getValue( "Timestamp" );
+-            if ( ts != null )
+-            {
+-                Date buildDate = new SimpleDateFormat( "yyyyMMdd-hhmm" ).parse( ts );
+-
+-                Calendar cal = Calendar.getInstance();
+-                cal.add( Calendar.DAY_OF_YEAR, -2 );
+-                if ( buildDate.before(cal.getTime() ) )
+-                {
+-                    System.err.println( "WARNING: This build is more than 2 days old and there are likely updates available!" );
+-                    System.err.println( "You will get no support with this build unless you update from http://ci.md-5.net/job/Spigot/" );
+-                    System.err.println( "The server will start in 10 seconds!" );
+-                    Thread.sleep( TimeUnit.SECONDS.toMillis( 10 ) );
+-                }
+-            }
+-        }
+         // Spigot End
+         // Todo: Installation script
+         OptionParser parser = new OptionParser() {
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 index 35f2bfa..8a6ca55 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java