Renamed datagrid and datastore packages

net.onrc.onos.datagrid.* => net.onrc.onos.core.datagrid.*
net.onrc.onos.datastore.* => net.onrc.onos.core.datastore.*

Change-Id: Ibe1894a6fabae08ea7cfcbf6595f0c91b05ef497
diff --git a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/web/DatastoreLinksResource.java b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/web/DatastoreLinksResource.java
index c984dd1..94823b8 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/web/DatastoreLinksResource.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/web/DatastoreLinksResource.java
@@ -1,6 +1,6 @@
 package net.onrc.onos.ofcontroller.networkgraph.web;
 
-import net.onrc.onos.datastore.topology.KVLink;
+import net.onrc.onos.core.datastore.topology.KVLink;
 
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;