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/test/java/net/onrc/onos/intent/runtime/UseCaseTest.java b/src/test/java/net/onrc/onos/intent/runtime/UseCaseTest.java
index c746811..50c1228 100755
--- a/src/test/java/net/onrc/onos/intent/runtime/UseCaseTest.java
+++ b/src/test/java/net/onrc/onos/intent/runtime/UseCaseTest.java
@@ -8,9 +8,9 @@
 
 import net.floodlightcontroller.core.module.FloodlightModuleContext;
 import net.floodlightcontroller.core.module.FloodlightModuleException;
-import net.onrc.onos.datagrid.IDatagridService;
-import net.onrc.onos.datagrid.IEventChannel;
-import net.onrc.onos.datagrid.IEventChannelListener;
+import net.onrc.onos.core.datagrid.IDatagridService;
+import net.onrc.onos.core.datagrid.IEventChannel;
+import net.onrc.onos.core.datagrid.IEventChannelListener;
 import net.onrc.onos.intent.ConstrainedShortestPathIntent;
 import net.onrc.onos.intent.FlowEntry;
 import net.onrc.onos.intent.Intent;