Moving apps back to apps/ folder. Finally worked out the problem with headers
WAF building system copies all headers to one directory. As a result,
all #include directives in all NS3 modules should be either in form
"ns3/header-file.h" or just "header-file.h", disregarding the actual
directory structure.
diff --git a/model/ndnabstraction-header.cc b/model/ndnabstraction-header.cc
index 1b70e9b..a7ea402 100644
--- a/model/ndnabstraction-header.cc
+++ b/model/ndnabstraction-header.cc
@@ -19,4 +19,5 @@
*/
#include "ndnabstraction-header.h"
+
#include "ns3/assert.h"