all: Replacing deprecated NameComponents class with Name

NameComponents is kept for backwards compatibility as typedef to Name

refs #29
diff --git a/model/pit/ndn-pit-entry.cc b/model/pit/ndn-pit-entry.cc
index accfcf1..6d16048 100644
--- a/model/pit/ndn-pit-entry.cc
+++ b/model/pit/ndn-pit-entry.cc
@@ -21,7 +21,7 @@
 #include "ndn-pit-entry.h"
 
 #include "ns3/ndn-fib.h"
-#include "ns3/ndn-name-components.h"
+#include "ns3/ndn-name.h"
 #include "ns3/ndn-interest.h"
 
 #include "ns3/simulator.h"
@@ -82,7 +82,7 @@
 }
 
 
-const NameComponents &
+const Name &
 Entry::GetPrefix () const
 {
   return m_interest->GetName ();