ndn-tools: Update to version 0.3-28-g72c96d2 (based on ndn-cxx-0.5.0)

Change-Id: I5d5d57a9a5a341fb6482d9475e24cb4fe82df6ef
diff --git a/ndn-tools/Makefile b/ndn-tools/Makefile
index 21b2928..add10f8 100644
--- a/ndn-tools/Makefile
+++ b/ndn-tools/Makefile
@@ -2,13 +2,13 @@
 GIT_URL=https://github.com/named-data/ndn-tools
 
 # Tag name or commit hash for checkout
-GIT_VERSION=d2300731edd88593290ac0c33ed25d5b353b6634
+GIT_VERSION=72c96d23f0c66d157c69954b4b06d8cc2ef330c2
 
 # Package name
 NAME=ndn-tools
 
 # Package version
-VERSION=0.3-6-gd230073
+VERSION=0.3-28-g72c96d2
 
 # PPA version
 PPA_VERSION=1