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/debian/control b/ndn-traffic-generator/debian/control
index d072470..1ffefec 100644
--- a/ndn-traffic-generator/debian/control
+++ b/ndn-traffic-generator/debian/control
@@ -4,7 +4,7 @@
 Build-Depends: debhelper (>= 8.0.0),
  python (>= 2.7.0),
  pkg-config (>= 0.26),
- libndn-cxx-dev (>= 0.6.6)
+ libndn-cxx-dev (>= 0.7.0)
 Standards-Version: 3.9.2
 Section: net
 Homepage: http://github.com/named-data/ndn-traffic-generator