Require hacking for additional checks

Require hacking for additional pep8 checks to follow
OpenStack python hacking conventions.

Fix problems found by hacking.

Disable autogenerate-config-docs from check, it needs further
work to be clean enough.

Change-Id: Ib1dedf2e8262ba3d8ae1b58c4e4dbab82bbb5297
Merge "Require hacking for additional checks"