Updating harden_security script and renaming it.
Fixing typo
Merge pull request #1165 from blrm/harden_security

Renamed security script and updated it with latest changes.
Skip test that was not fixed in 5.3.0.6
Standard flake8 rules
Merge pull request #1166 from weissjeffm/standard-flake8

Standard flake8 rules
Block permissions test with bug