Reference figures for the psy-simple package

This repository is mainly designed for the continuous integration of the psy-simple package. If you cloned the psy-simple repository, get the identifier via through the get_ref_dir.py file:

python tests/get_ref_dir.py -b

and the right path via:

python tests/get_ref_dir.py

and in the cloned psy-simple repository, run:

git submodule update --init `python tests/get_ref_dir.py`