a few fixes to the workflow connections
a few fixes to the workflow connections

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