model+examples: Small corrections with new PIT version, adding an example to use it
diff --git a/apps/ndn-consumer.cc b/apps/ndn-consumer.cc
index 68f4858..3a14e48 100644
--- a/apps/ndn-consumer.cc
+++ b/apps/ndn-consumer.cc
@@ -204,6 +204,7 @@
   InterestHeader interestHeader;
   interestHeader.SetNonce               (m_rand.GetValue ());
   interestHeader.SetName                (nameWithSequence);
+  interestHeader.SetInterestLifetime    (m_interestLifeTime);
 
   // NS_LOG_INFO ("Requesting Interest: \n" << interestHeader);
   NS_LOG_INFO ("> Interest for " << seq);