Fix some PEP8 issues and Openstack Licensing

[H102 H103] Contributed Source code should be licensed under
the Apache 2.0 license.

Change-Id: I7d69bd9c8138d9ea5306c2fda56de875e33c544e

doc/source/conf.py

@@ -1,5 +1,17 @@
 # -*- coding: utf-8 -*-
+
+# 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.
+
 # python-cinderclient documentation build configuration file, created by
 # sphinx-quickstart on Sun Dec  6 14:19:25 2009.
 #
@@ -19,6 +31,7 @@ import pbr.version
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #    sys.path.append(os.path.abspath('.'))
+
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 ROOT = os.path.abspath(os.path.join(BASE_DIR, "..", ".."))
 sys.path.insert(0, ROOT)
@@ -28,7 +41,8 @@ sys.path.insert(0, ROOT)
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc',
+extensions = [
+    'sphinx.ext.autodoc',
     'oslosphinx',
     'reno.sphinxext',
 ]