Fixed issue with tarballs

Change-Id: I4155a5c78c46cb4d0eae6957b5c7a9914c4e7ad7

setup.cfg

@@ -1,6 +1,5 @@
 [metadata]
 name = mistral
-version = 0.01
 summary = Mistral Project
 description-file =
     README.rst

setup.py

@@ -1,23 +1,30 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
+# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
 #
-# Copyright 2013 - Mirantis, Inc.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
+# http://www.apache.org/licenses/LICENSE-2.0
 #
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 # THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
+# In python < 2.7.4, a lazy loading of package `pbr` will break
+# setuptools if some other modules registered functions in `atexit`.
+# solution from: http://bugs.python.org/issue15881#msg170215
+try:
+    import multiprocessing  # noqa
+except ImportError:
+    pass
+
 setuptools.setup(
     setup_requires=['pbr'],
     pbr=True)