Added example for performing a performance analysis of VNFFGs

The example uses jinja2 for templating the VNFFG NSD in order to test
increasingly long forwarding chains.

Change-Id: If3ccad70a67b8b03a2ab43356f17a442a8abc770
Signed-off-by: schillinge <ablu@mail.uni-paderborn.de>
diff --git a/setup.py b/setup.py
index 7fb1add..5bab406 100755
--- a/setup.py
+++ b/setup.py
@@ -59,7 +59,8 @@
           'gevent',
           'flake8',
           # fixes: https://github.com/pytest-dev/pytest/issues/4770
-          'more-itertools<=5.0.0'
+          'more-itertools<=5.0.0',
+          'jinja2'
       ],
       zip_safe=False,
       entry_points={