First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/examples/wscript b/examples/wscript
index 7a49ca3..decba8f 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -1,11 +1,11 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 
 def build(bld):
-    obj = bld.create_ns3_program('ccnx-simple', ['ndnSIM'])
-    obj.source = 'ccnx-simple.cc'
+    obj = bld.create_ns3_program('ndn-simple', ['ndnSIM'])
+    obj.source = 'ndn-simple.cc'
 
-    obj = bld.create_ns3_program('ccnx-grid', ['ndnSIM', 'point-to-point', 'point-to-point-layout'])
-    obj.source = 'ccnx-grid.cc'
+    obj = bld.create_ns3_program('ndn-grid', ['ndnSIM', 'point-to-point', 'point-to-point-layout'])
+    obj.source = 'ndn-grid.cc'
 
     obj = bld.create_ns3_program('trie', ['ndnSIM'])
     obj.source = 'trie.cc'