Bump pbr to >=2.0.0

Change-Id: I307afb7f4b5315b8f8eca6e779ccf45b0ba49bac

setup.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
+#
+# 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
+#
+# 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.
+
+import setuptools
+
+setuptools.setup(
+    setup_requires=['pbr>=2.0.0'],
+    pbr=True)