Cosmetics: Move JSON serializers under web package.

Change-Id: I9ecdfe358c2861463456450cd59cdd9d66d39503
diff --git a/src/main/java/net/onrc/onos/core/topology/Topology.java b/src/main/java/net/onrc/onos/core/topology/Topology.java
index e672816..eee37cc 100644
--- a/src/main/java/net/onrc/onos/core/topology/Topology.java
+++ b/src/main/java/net/onrc/onos/core/topology/Topology.java
@@ -1,7 +1,8 @@
 package net.onrc.onos.core.topology;
 
 import net.floodlightcontroller.util.MACAddress;
-import net.onrc.onos.core.topology.serializers.TopologySerializer;
+import net.onrc.onos.core.topology.web.serializers.TopologySerializer;
+
 import org.codehaus.jackson.map.annotate.JsonSerialize;
 
 /**