Many corrections to face/local-face/net-device-face/fib/pit.  Now
interest packets actually go down to ccnx stack.  Also, now it is
possible to manually configure FIB entries.

CcnxFib now is an object aggregated to the node
diff --git a/helper/ccnx-header-helper.cc b/helper/ccnx-header-helper.cc
index 85c88f1..1c7a806 100644
--- a/helper/ccnx-header-helper.cc
+++ b/helper/ccnx-header-helper.cc
@@ -27,6 +27,7 @@
 
 #include "ns3/ccnx-interest-header.h"
 #include "ns3/ccnx-content-object-header.h"
+#include <iomanip>
 
 NS_LOG_COMPONENT_DEFINE ("CcnxHeaderHelper");
 
@@ -35,12 +36,12 @@
 {
 
 CcnxHeaderHelper::Type
-CcnxHeaderHelper::CreateCorrectCcnxHeader (Ptr<const Packet> packet)
+CcnxHeaderHelper::GetCcnxHeaderType (Ptr<const Packet> packet)
 {
   uint8_t type[2];
   uint32_t read=packet->CopyData (type,2);
   if (read!=2) throw CcnxUnknownHeaderException();
-  
+
   if (type[0] == INTEREST_BYTE0 && type[1] == INTEREST_BYTE1)
     {
       return CcnxHeaderHelper::INTEREST;