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/core/datastore/IKVTableID.java b/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java
new file mode 100644
index 0000000..c736908
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java
@@ -0,0 +1,7 @@
+package net.onrc.onos.core.datastore;
+
+public interface IKVTableID {
+
+    public String getTableName();
+
+}
\ No newline at end of file