Move the IntentSynchronizer out of the routing app into its own app

Change-Id: I05e84bce3853ea995b9921b96a2e6a3e8eddb689
diff --git a/apps/castor/src/main/java/org/onosproject/castor/ConnectivityManager.java b/apps/castor/src/main/java/org/onosproject/castor/ConnectivityManager.java
index bd55d0d..57943fa 100644
--- a/apps/castor/src/main/java/org/onosproject/castor/ConnectivityManager.java
+++ b/apps/castor/src/main/java/org/onosproject/castor/ConnectivityManager.java
@@ -37,7 +37,7 @@
 import org.onosproject.net.intent.Key;
 import org.onosproject.net.intent.MultiPointToSinglePointIntent;
 import org.onosproject.net.intent.PointToPointIntent;
-import org.onosproject.routing.IntentSynchronizationService;
+import org.onosproject.intentsync.IntentSynchronizationService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;