Finalizing interest limits. Now everything seem to work.

To work correctly, a lot of parameters have to be adjusted, including average
contentObject size, averageRTT, queues on nodes.
diff --git a/model/ccnx-l3-protocol.cc b/model/ccnx-l3-protocol.cc
index 187a020..5484fb7 100644
--- a/model/ccnx-l3-protocol.cc
+++ b/model/ccnx-l3-protocol.cc
@@ -584,6 +584,8 @@
 CcnxL3Protocol::LeakBuckets ()
 {
   NS_LOG_FUNCTION (this);
+  NS_LOG_ERROR ("Bucket Interval: " << m_bucketLeakInterval.ToDouble(Time::S));
+
   BOOST_FOREACH (const Ptr<CcnxFace> &face, m_faces)
     {
       face->LeakBucket (m_bucketLeakInterval);