Merge pull request #918 from jmaas/master

PEP8 - cobbler/modules/install_post_report.py
Merge pull request #919 from jmaas/master

PEP8 - cobbler/modules/install_post_puppet.py
Merge pull request #920 from jmaas/master

PEP8 - cobbler/modules/install_post_power.py
Merge pull request #921 from jmaas/master

PEP8 - cobbler/modules/install_post_log.py
Merge pull request #922 from jmaas/master

PEP8 - cobbler/modules/authz_ownership.py
Merge pull request #923 from jmaas/master

PEP8 - cobbler/modules/authz_configfile.py
Merge pull request #924 from jmaas/master

PEP8 - cobbler/modules/authz_allowall.py
Merge pull request #925 from jmaas/master

PEP8 - cobbler/modules/authn_testing.py