Implement ItemFactory and ItemMeta values. Adds BUKKIT-15

By: Wesley Wolfe <weswolf@aol.com>

paper-server/src/main/java/org/bukkit/craftbukkit/Overridden.java

@@ -0,0 +1,14 @@
+package org.bukkit.craftbukkit;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Indicates a method needs to be overridden in sub classes
+ */
+@Target({ElementType.CONSTRUCTOR, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Overridden {
+}