Small file reorganization (moving CCNx-unrelated stuff out of model/)
diff --git a/model/ccnx-pit.h b/model/ccnx-pit.h
index 84cd0d5..70347e4 100644
--- a/model/ccnx-pit.h
+++ b/model/ccnx-pit.h
@@ -25,7 +25,7 @@
 #include "ns3/nstime.h"
 #include "ns3/event-id.h"
 
-#include "hash-helper.h"
+#include "ccnx-name-components-hash-helper.h"
 #include "ccnx-pit-entry.h"
 
 #include <boost/multi_index_container.hpp>