Atmire dspace 3.0 versioning contribution

Versioning : Add Spring WebMVC Control
Versioning : AIP Prototype Test Improvements.

dspace-api/src/main/java/org/dspace/identifier/Identifier.java

@@ -0,0 +1,18 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.identifier;
+
+/**
+ *
+ *
+ * @author Fabio Bolognesi (fabio at atmire dot com)
+ * @author Mark Diggory (markd at atmire dot com)
+ * @author Ben Bosman (ben at atmire dot com)
+ */
+public interface Identifier {
+}