make qa (pep8) fixes for cobbler/cli.py

cobbler/cli.py:43:4: E121 continuation line under-indented for hanging indent
cobbler/cli.py:380:42: E711 comparison to None should be 'if cond is None:'
cobbler/cli.py:611:9: E265 block comment should start with '# '
cobbler/cli.py:663:11: E712 comparison to True should be 'if cond is True:' or 'if cond:'
cobbler/cli.py:665:13: E712 comparison to False should be 'if cond is False:' or 'if not cond:'
make qa (pep8) fixes for cobbler/modules/install_post_report.py

cobbler/modules/install_post_report.py:89:44: E712 comparison to True should be 'if cond is True:' or 'if cond:'
cobbler/modules/install_post_report.py:92:17: E712 comparison to True should be 'if cond is True:' or 'if cond:'