This change should disable the Ansible Linters in tox.ini
so that we can make the existing pep8 tests voting.
Linting should be re-enabled in tox once Ansible playbooks
have their errors corrected.
This commit also corrects some python errors that snuck into
Shaker.py
Change-Id: I5d64985849b9e31b91c9000dba7238cc79bd2009
976231a58d