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/test/java/net/onrc/onos/core/intent/ConstrainedShortestPathIntentTest.java b/src/test/java/net/onrc/onos/core/intent/ConstrainedShortestPathIntentTest.java
index b0a8afc..e3dae31 100644
--- a/src/test/java/net/onrc/onos/core/intent/ConstrainedShortestPathIntentTest.java
+++ b/src/test/java/net/onrc/onos/core/intent/ConstrainedShortestPathIntentTest.java
@@ -2,7 +2,7 @@
 
 import static org.junit.Assert.assertEquals;
 import net.onrc.onos.core.intent.ConstrainedShortestPathIntent;
-import net.onrc.onos.ofcontroller.util.serializers.KryoFactory;
+import net.onrc.onos.core.util.serializers.KryoFactory;
 
 import org.junit.After;
 import org.junit.Before;