Maintenance release, undoes earlier project folder structure changes to remain as true to upstream as possible.
- Merged with upstream revision r141 (2014-12-04)
This includes many new checks, see commit messages for details. This also reverts some renaming of files, to stay close to the original project.
- py3k compatibility
- fixed and extended allowed extensions
- import from googlecode, added setup.py
- imported revision r83 (2012-05-11)