Iblpybpod

- removed captures of stderr and stdout from pybpodapi
- allow bpod to list modules without hardware physically being connected, for testing

- additional terminal logging removed
- additional error messaging for soundcard module

- first IBL release
- flattened git submodule structure to a single module
- removed a multitude of abandoned packages
- mogrified all png files
- simplified logging
- python v3.8 support
- modern pandas python package support
- github actions automated pypi package publishing