Updated openstack/openstack
Project: openstack/python-novaclient  b6b21ac61d0e95a17274d09690a349faa662707a

Enable several checks and do not check docs/source/conf.py

* E265 block comment should start with '# '
* H302 import only modules

Do not check docs/source/conf.py. The file is imported from the
cookiecutter template.

Documented why checks are ignored and if they should be enabled
in the future.

Change-Id: I367064ecaa6d1fd9d918f7ce003303e2db660647