Fix build guide/script regarding python versioning

Specify minimal docker release in build/requirements.txt
and build/download/requirements.txt, not a fixed one.

Change interpreter for build/package.py as it's Python 3
compliant.

Change-Id: I4352aa957371ce85bdea021101ed2f5994f9eedb
Issue-ID: OOM-1979
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/build/package.py b/build/package.py
index 8a1808b3..6e509a31 100755
--- a/build/package.py
+++ b/build/package.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 #   COPYRIGHT NOTICE STARTS HERE