all: Replacing deprecated NameComponents class with Name

NameComponents is kept for backwards compatibility as typedef to Name

refs #29
diff --git a/apps/ndn-producer.h b/apps/ndn-producer.h
index dcc9581..f383643 100644
--- a/apps/ndn-producer.h
+++ b/apps/ndn-producer.h
@@ -25,7 +25,7 @@
 #include "ndn-app.h"
 
 #include "ns3/ptr.h"
-#include "ns3/ndn-name-components.h"
+#include "ns3/ndn-name.h"
 #include "ns3/ndn-content-object.h"
 
 namespace ns3 {
@@ -59,7 +59,7 @@
   StopApplication ();     // Called at time specified by Stop
 
 private:
-  NameComponents m_prefix;
+  Name m_prefix;
   uint32_t m_virtualPayloadSize;
   Time m_freshness;
 };