Rework "usepasswd in semanage.conf" test
    
    - use spaces instead of tabs
    - update copyright date
    - cover more cases with correct behavior
    
      usepasswd=False
        - Standard users should not trigger a policy change
        - SELinux users with home in / shoud not trigger a policy change
        - Other SELinux users should trigger a policy change
    
      usepasswd=True
        - Standard users with home in /home should not trigger a policy change
        - Standard users with home in directory like /var/home should trigger a policy change
        - Standard users with home in / shoud not trigger a policy change
        - SELinux users with home in / shoud not trigger a policy change
        - Other SELinux users should trigger a policy change