apps+helper+utils: Fixes of consumer and producer apps to work with the new codebase

This commit also replaces boost::tuple with std::tuple in Batches class

Credits for the commit also to Spyros Mastorakis and Alex Afanasyev
diff --git a/apps/ndn-consumer-cbr.cpp b/apps/ndn-consumer-cbr.cpp
index f64ae22..743cb26 100644
--- a/apps/ndn-consumer-cbr.cpp
+++ b/apps/ndn-consumer-cbr.cpp
@@ -30,7 +30,7 @@
 #include "ns3/integer.h"
 #include "ns3/double.h"
 
-#include "ns3/ndn-app-face.hpp"
+#include "model/ndn-app-face.hpp"
 
 NS_LOG_COMPONENT_DEFINE("ndn.ConsumerCbr");
 
@@ -121,22 +121,5 @@
   return m_randomType;
 }
 
-///////////////////////////////////////////////////
-//          Process incoming packets             //
-///////////////////////////////////////////////////
-
-// void
-// Consumer::OnData (const shared_ptr<const Data> &contentObject,
-//                                const Ptr<const Packet> &payload)
-// {
-//   Consumer::OnData (contentObject, payload); // tracing inside
-// }
-
-// void
-// Consumer::OnNack (const shared_ptr<const Interest> &interest)
-// {
-//   Consumer::OnNack (interest); // tracing inside
-// }
-
 } // namespace ndn
 } // namespace ns3