united layout with other tools from doctopts to argparse, no more natsort, separete folder for config

- orcasong is now called legacy
- orcasong_2 is now called orcasong

Other changes:
- Added one line 2017 bin edges to repo
- added unittests
- added versioning for files created with orcasong
- Expanded doc
- Added check to calib if calib has been done to file already

- Add configs for regression dataset

- Added command line tools to setup.py