Added initial framework for using Hazelcast-3.0.2 within ONOS.
diff --git a/src/main/java/net/onrc/onos/datagrid/IDatagridService.java b/src/main/java/net/onrc/onos/datagrid/IDatagridService.java
new file mode 100644
index 0000000..1c7f3ab
--- /dev/null
+++ b/src/main/java/net/onrc/onos/datagrid/IDatagridService.java
@@ -0,0 +1,10 @@
+package net.onrc.onos.datagrid;
+
+import net.floodlightcontroller.core.module.IFloodlightService;
+
+/**
+ * Interface for providing Datagrid Service to other modules.
+ */
+public interface IDatagridService extends IFloodlightService {
+    // TODO
+}