Rebuild packages against the latest ndn-cxx

Update includes:
- ndn-traffic-generator
- ndncert
- ndnmap-data-collector
- repo-ng

Change-Id: I80695367282d182adbcc4ac6d1c00ce390be8f8e
diff --git a/repo-ng/Makefile b/repo-ng/Makefile
index 5af833c..c615afb 100644
--- a/repo-ng/Makefile
+++ b/repo-ng/Makefile
@@ -2,13 +2,13 @@
 GIT_URL=https://github.com/named-data/repo-ng
 
 # Tag name or commit hash for checkout
-GIT_VERSION=d606ecf0c85564e5ef4808245f081b19b8e84f5a
+GIT_VERSION=93eb49ba064574369627e769e2c7885673293d54
 
 # Package name
 NAME=repo-ng
 
 # Package version
-VERSION=0.0.14-gd606ecf
+VERSION=0.0.15-g93eb49b
 
 # PPA version
 PPA_VERSION=1