Serializers Cleanup

- Fixed some warnings about unneeded 'throws' statements
- Moved ShortestPathIntentSerializer to a more reasonable place

Change-Id: I40ada8a260ebc69cbb89452ba57716a347c67283
diff --git a/src/main/java/net/onrc/onos/core/intent/ShortestPathIntent.java b/src/main/java/net/onrc/onos/core/intent/ShortestPathIntent.java
index b77652f..2e2ca8c 100644
--- a/src/main/java/net/onrc/onos/core/intent/ShortestPathIntent.java
+++ b/src/main/java/net/onrc/onos/core/intent/ShortestPathIntent.java
@@ -1,7 +1,7 @@
 package net.onrc.onos.core.intent;
 
 import net.floodlightcontroller.util.MACAddress;
-import net.onrc.onos.core.topology.web.serializers.ShortestPathIntentSerializer;
+import net.onrc.onos.core.intent.runtime.web.serializers.ShortestPathIntentSerializer;
 import net.onrc.onos.core.util.Dpid;
 import org.codehaus.jackson.map.annotate.JsonSerialize;