Added a bunch of new 1.2 entities; this partially resolves BUKKIT-872 and BUKKIT-885.

By: Nathan Adams <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/entity/IronGolem.java

@@ -0,0 +1,8 @@
+package org.bukkit.entity;
+
+/**
+ * An iron Golem that protects Villages.
+ */
+public interface IronGolem extends Golem {
+
+}