Added backend for 'show tunnel' and some minnor fixes
diff --git a/src/main/java/net/onrc/onos/apps/segmentrouting/web/SegmentRoutingWebRoutable.java b/src/main/java/net/onrc/onos/apps/segmentrouting/web/SegmentRoutingWebRoutable.java
index 119df92..e19df8d 100644
--- a/src/main/java/net/onrc/onos/apps/segmentrouting/web/SegmentRoutingWebRoutable.java
+++ b/src/main/java/net/onrc/onos/apps/segmentrouting/web/SegmentRoutingWebRoutable.java
@@ -1,6 +1,9 @@
 package net.onrc.onos.apps.segmentrouting.web;
 
+import java.util.Iterator;
+
 import net.floodlightcontroller.restserver.RestletRoutable;
+import net.onrc.onos.apps.segmentrouting.SegmentRoutingManager;
 
 import org.restlet.Context;
 import org.restlet.Restlet;