Rebuild packages against the latest ndn-cxx

This commit includes updates to
- ndn-traffic-generator
- ndncert
- ndnmap-data-collector
- repo-ng

Change-Id: Iea22ff057295079be2e483859d593ea8a097f11f
diff --git a/ndnmap-data-collector/Makefile b/ndnmap-data-collector/Makefile
index 460d011..b055964 100644
--- a/ndnmap-data-collector/Makefile
+++ b/ndnmap-data-collector/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.1.0-12-gaff60ff
 
 # PPA version
-PPA_VERSION=2
+PPA_VERSION=3
 
 include ../packaging.mk