dump: add README and manpage

refs #2855

Change-Id: I59379349e3579b267956933aeb603aa8d747aa53
diff --git a/manpages/conf.py b/manpages/conf.py
index ea32680..1476da8 100644
--- a/manpages/conf.py
+++ b/manpages/conf.py
@@ -10,4 +10,5 @@
     ('ndnpoke', 'ndnpoke', 'simple producer to publish one Data', None, 1),
     ('ndnping', 'ndnping', 'reachability testing client', None, 1),
     ('ndnpingserver', 'ndnpingserver', 'reachability testing server', None, 1),
+    ('ndndump', 'ndndump', 'traffic analysis tool', None, 8),
 ]