Add option to allow for storing original files under an `original/` subdir. Previously preview, crop, and sample files were stored under subdirs but original files were stored in the top-level directory. This is optional for backwards compatibility.
Add option to allow for storing original files under an `original/` subdir. Previously preview, crop, and sample files were stored under subdirs but original files were stored in the top-level directory. This is optional for backwards compatibility.