Adding release notes and enabling import order check

Enabling Flake8 library import order check,
adding release_notes, enabling stage-test failing by tox results.

Change-Id: I490b4cb3fe5904f54d84f0ce9b41fe91ec8b4f5d
Signed-off-by: aticig <gulsum.atici@canonical.com>
diff --git a/osm_common/tests/test_fslocal.py b/osm_common/tests/test_fslocal.py
index 6f52984..6336211 100644
--- a/osm_common/tests/test_fslocal.py
+++ b/osm_common/tests/test_fslocal.py
@@ -17,18 +17,18 @@
 # contact: esousa@whitestack.com or alfonso.tiernosepulveda@telefonica.com
 ##
 
+import http
 import io
 import logging
-import http
 import os
-import pytest
+import shutil
 import tarfile
 import tempfile
 import uuid
-import shutil
 
 from osm_common.fsbase import FsException
 from osm_common.fslocal import FsLocal
+import pytest
 
 __author__ = "Eduardo Sousa <eduardosousa@av.it.pt>"