Tom Patzig 739925a69f Adding info to use venv of tox for reno
The tool reno is used to generate yaml releasenotes files.
This patch adds doc info, how to use venv of tox to use reno, if
reno is not installed globally on your system.

TrivialFix

Change-Id: Id1d2e8969db60f78eb6b4aebdff3329c5b35bc5b
2016-05-31 14:25:00 +02:00
..
2013-08-08 10:34:06 -04:00
2015-09-02 23:15:21 +05:30
2016-04-14 16:11:52 -04:00