Renamed devicemanager, flowprogrammer, linkdiscovery and util packages

net.onrc.onos.ofcontroller.devicemanager.* => net.onrc.onos.core.devicemanager.*
net.onrc.onos.ofcontroller.flowprogrammer.* => net.onrc.onos.core.flowprogrammer.*
net.onrc.onos.ofcontroller.linkdiscovery.* => net.onrc.onos.core.linkdiscovery.*
net.onrc.onos.ofcontroller.util.* => net.onrc.onos.core.util.*

Change-Id: Iaa865af552e8fb3a589e73d006569ac79f5a0f08
diff --git a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologySwitchResource.java b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologySwitchResource.java
index 4a81db4..345020b 100644
--- a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologySwitchResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologySwitchResource.java
@@ -1,9 +1,9 @@
 package net.floodlightcontroller.core.web;
 
 import net.floodlightcontroller.util.EventHistory;
-import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryService;
-import net.onrc.onos.ofcontroller.linkdiscovery.internal.EventHistoryTopologySwitch;
-import net.onrc.onos.ofcontroller.linkdiscovery.internal.LinkDiscoveryManager;
+import net.onrc.onos.core.linkdiscovery.ILinkDiscoveryService;
+import net.onrc.onos.core.linkdiscovery.internal.EventHistoryTopologySwitch;
+import net.onrc.onos.core.linkdiscovery.internal.LinkDiscoveryManager;
 
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;