PEP8 - cobbler/collection_files.py
PEP8 - cobbler/collection_mgmtclasses.py
PEP8 - cobbler/collection_packages.py
PEP8 - cobbler/collection_profiles.py
PEP8 - cobbler/field_info.py
PEP8 - cobbler/collection_images.py
Merge pull request #877 from jmaas/master

pep8 work