DS-1241 Statistics Implementation in Elastic Search

Copied in Implementation of Elastic Search, and wired it into DSpace.
I changed the ES Node to be a nodeClient, and also one that runs locally
within tomcat's JVM. For OSU, we had used either transport-client, or
node-client, and both of which required that the server also be running a
seperate elastic search instance. By bundling this into DSpace, it should
make this a bit more turn-key to get started using Elastic Search.

By default, Elastic Search is ON with this commit.

dspace-api/src/main/java/org/dspace/content/DSpaceObject.java

@@ -7,13 +7,13 @@
  */
 package org.dspace.content;
 
-import java.sql.SQLException;
-
 import org.dspace.core.Constants;
 import org.dspace.core.Context;
 import org.dspace.eperson.EPerson;
 import org.dspace.eperson.Group;
 
+import java.sql.SQLException;
+
 /**
  * Abstract base class for DSpace objects
  */
@@ -65,6 +65,15 @@ public abstract class DSpaceObject
      */
     public abstract int getType();
 
+    /**
+     * Provide the text name of the type of this DSpaceObject. It is most likely all uppercase.
+     * @return Object type as text
+     */
+    public String getTypeText()
+    {
+        return Constants.typeText[this.getType()];
+    }
+
     /**
      * Get the internal ID (database primary key) of this object
      *