ndn-traffic-generator: Update to the latest version and build using ndn-cxx 0.7.0

Change-Id: I58fb5cdde51d469857d2ac72c187aab1c2b89f45
diff --git a/ndn-traffic-generator/Makefile b/ndn-traffic-generator/Makefile
index ec5c2f1..ed7532f 100644
--- a/ndn-traffic-generator/Makefile
+++ b/ndn-traffic-generator/Makefile
@@ -2,15 +2,15 @@
 GIT_URL=https://github.com/named-data/ndn-traffic-generator
 
 # Tag name or commit hash for checkout
-GIT_VERSION=58c07d1aa36fad8771b4e533904a308c0792353a
+GIT_VERSION=772d7473920ef6ea11886013636d7f937f8a696f
 
 # Package name
 NAME=ndn-traffic-generator
 
 # Package version
-VERSION=0.0.12-g58c07d1
+VERSION=0.0.13-g772d747
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk