ndn-cxx, nfd, repo-ng: Updating to the latest releases

ndndump and ndnping are updated to force recompilation against the
latest library.

Change-Id: Iaea66e0e26179d9f103aee2350ad58502029d36d
diff --git a/net/repo-ng/Portfile b/net/repo-ng/Portfile
index f342547..870482e 100644
--- a/net/repo-ng/Portfile
+++ b/net/repo-ng/Portfile
@@ -4,14 +4,14 @@
 PortSystem          1.0
 PortGroup           github 1.0
 
-github.setup        named-data repo-ng 91fb4f2e5067d2fd6a591d885353a449bc65b399
-checksums           rmd160  766929a4d29607fe9774761773fc09bbd1a100be \
-                    sha256  89a67ee7c415420cb557645cfd60822e6a47eca9da961a8ecfac384e3367723a
+github.setup        named-data repo-ng b7e8a817c042e7fccf496d033194251bff9e58d5
+checksums           rmd160  6cc40c43efed76a2f5917272c92e1fd530be9c2a \
+                    sha256  2e54b5bb3456d79391e399460aa7f21ff502be084a045c5bab1e13acf257f37e
 
 name                repo-ng
 homepage            https://github.com/named-data/repo-ng
 license             GPL-3+
-version             0.0.2
+version             0.0.3
 
 categories          net
 platforms           darwin