ndn-traffic-generator: Update to the latest version

Change-Id: I6ad996e9a724c9e02b00ce3adab427e1eaa84c08
diff --git a/ndn-traffic-generator/debian/control b/ndn-traffic-generator/debian/control
index 1ffefec..038659e 100644
--- a/ndn-traffic-generator/debian/control
+++ b/ndn-traffic-generator/debian/control
@@ -2,7 +2,7 @@
 Priority: extra
 Maintainer: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
 Build-Depends: debhelper (>= 8.0.0),
- python (>= 2.7.0),
+ python3 (>= 3.5.0),
  pkg-config (>= 0.26),
  libndn-cxx-dev (>= 0.7.0)
 Standards-Version: 3.9.2