We've had a lot of trouble with differing line endings. Add a
gitattributes file to force Unix-style line endings.
Additionally, add various well-known extensions to a gitignore file.
Signed-off-by: Sean Cross <sean@xobs.io>
For git repos, use forward slashes. They're more cross-platform.
Also, ensure the destination program ends in '.py'.
Signed-off-by: Sean Cross <sean@xobs.io>