Gather I*Storage and it's impl to core
diff --git a/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/TopoLinkServiceImpl.java b/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/TopoLinkServiceImpl.java
index e93fcaa..a9b54b8 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/TopoLinkServiceImpl.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/linkdiscovery/internal/TopoLinkServiceImpl.java
@@ -6,7 +6,7 @@
 import net.floodlightcontroller.routing.Link;
 import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.ISwitchObject;
 import net.onrc.onos.ofcontroller.core.INetMapTopologyService.ITopoLinkService;
-import net.onrc.onos.ofcontroller.linkdiscovery.internal.LinkStorageImpl.ExtractLink;
+import net.onrc.onos.ofcontroller.core.internal.LinkStorageImpl.ExtractLink;
 import net.onrc.onos.util.GraphDBConnection;
 import net.onrc.onos.util.GraphDBOperation;