Fix some stuff

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

CraftBukkit-Patches/0122-Prevent-getOfflinePlayer-UUID-on-main-thread.patch

@@ -0,0 +1,21 @@
+From e64d7c0ca438aa60ac1e545928ba2b0c83f5aa6d Mon Sep 17 00:00:00 2001
+From: md_5 <git@md-5.net>
+Date: Sun, 30 Mar 2014 09:15:35 +1100
+Subject: [PATCH] Prevent getOfflinePlayer(UUID) on main thread.
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index ff13c51..7b2242a 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -1306,6 +1306,7 @@ public final class CraftServer implements Server {
+ 
+     public OfflinePlayer getOfflinePlayer(String name) {
+         Validate.notNull(name, "Name cannot be null");
++        com.google.common.base.Preconditions.checkState(!Bukkit.isPrimaryThread(), "Cannot call getOfflinePlayer(UUID) on main thread, this operation is blocking!"); // Spigot
+ 
+         // This is potentially blocking :(
+         GameProfile profile = MinecraftServer.getServer().getUserCache().a(name);
+-- 
+1.8.3.2
+