Add automatic virtualenv provisioner for download and package script

Change-Id: I072d514c7c2f03991caf6714dbdc0d2d7e5c8bb9
Issue-ID: INT-1670
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/.gitignore b/.gitignore
index ffef34e..6076713 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 /package.info
 /ansible/log/
 /*.log
+.tox/
+__pycache__/