Improve panos_commit module (#50451)
Improve panos_commit module (#50451)

* Added description, admin commit and VSYS commit features.

* pep8 fixing

* Ansible pylint fixing + module.fail on commit fail

* Ported from lxml.etree to xml.etree. Changed username to fall back to admin if nothing else defined.

* Fixed documentation for username defaults.

thaim/ansible,thaim/ansible