make settings['workdir'] always accessible; absolute imports
make settings['workdir'] always accessible; absolute imports

poldracklab/fmriprep,poldracklab/preprocessing-workflow,oesteban/fmriprep,oesteban/fmriprep,oesteban/fmriprep,poldracklab/fmriprep,shoshber/fmriprep,poldracklab/preprocessing-workflow,chrisfilo/fmriprep,poldracklab/fmriprep,oesteban/preprocessing-workflow,shoshber/fmriprep,oesteban/preprocessing-workflow