Upstream merge: possibly fix some head related bugs.

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

CraftBukkit-Patches/0141-Allow-skull-owners-to-be-removed.patch

@@ -1,11 +1,11 @@
-From 3198cb0e2bcba88fd3d5c74865993894c564e6d8 Mon Sep 17 00:00:00 2001
+From 0b7f5bbb1d880be6abfe53e2b9fc1a412b28b265 Mon Sep 17 00:00:00 2001
 From: Thinkofdeath <thethinkofdeath@gmail.com>
 Date: Wed, 30 Apr 2014 12:50:19 +0100
 Subject: [PATCH] Allow skull owners to be removed
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSkull.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSkull.java
-index 15e114d..247fef9 100644
+index 2fe1000..55d1ccf 100644
 --- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSkull.java
 +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSkull.java
 @@ -92,6 +92,12 @@ class CraftMetaSkull extends CraftMetaItem implements SkullMeta {
@@ -19,8 +19,8 @@ index 15e114d..247fef9 100644
 +        }
 +        // Spigot end
  
-         GameProfile profile = MinecraftServer.getServer().getUserCache().a(name);
-         if (profile == null) {
+         if (name == null) {
+             profile = null;
 -- 
 1.9.1