Update from upstream SpigotMC

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Bukkit-Patches/0014-Add-Getter-for-Entity-Invulnerability.patch

@@ -0,0 +1,36 @@
+From 1457047cefccb7d5c22336646d125a5a52b3b0ea Mon Sep 17 00:00:00 2001
+From: md_5 <md_5@live.com.au>
+Date: Sat, 3 Aug 2013 19:49:36 +1000
+Subject: [PATCH] Add Getter for Entity Invulnerability
+
+
+diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
+index 9fa886f..dc1e5da 100644
+--- a/src/main/java/org/bukkit/entity/Entity.java
++++ b/src/main/java/org/bukkit/entity/Entity.java
+@@ -341,4 +341,22 @@ public interface Entity extends Metadatable {
+      * @return if the custom name is displayed
+      */
+     public boolean isCustomNameVisible();
++
++    // Spigot Start
++    public class Spigot
++    {
++
++        /**
++         * Returns whether this entity is invulnerable.
++         *         
++        * @return True if the entity is invulnerable.
++         */
++        public boolean isInvulnerable()
++        {
++            throw new UnsupportedOperationException( "Not supported yet." );
++        }
++    }
++
++    Spigot spigot();
++    // Spigot End
+ }
+-- 
+2.1.0
+