[master] 1a94b71 vmodtool req'd python version

[Nils Goroll]

commit 1a94b714f6cabbf03a64cf4ca75e627f117f60f4
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Wed Sep 14 17:03:10 2016 +0200

    vmodtool req'd python version

diff --git a/doc/sphinx/whats-new/changes-5.0.rst b/doc/sphinx/whats-new/changes-5.0.rst
index 8ce3221..5f75b35 100644
--- a/doc/sphinx/whats-new/changes-5.0.rst
+++ b/doc/sphinx/whats-new/changes-5.0.rst
@@ -236,3 +236,5 @@ News for vmod authors
 
 * ``vmodtool.py`` for translating vcc files has been largely
   rewritten, there may still exist regressions which remained unnoticed
+
+* ``vmodtool.py`` now requires at least Python 2.6