nlsr: install nlsr.conf.sample in /etc/ndn

Remove dependencies that are no longer needed
Restore NLSR github to named-data

refs: #4071, #3992

Change-Id: Ia3aebdf6902e7a254b84f3ae92a42967b7a30b1e
diff --git a/nlsr/debian/nlsr.dirs b/nlsr/debian/nlsr.dirs
index e772481..18488c7 100644
--- a/nlsr/debian/nlsr.dirs
+++ b/nlsr/debian/nlsr.dirs
@@ -1 +1,2 @@
+etc
 usr/bin