clean up function definitions
clean up function definitions

dgellis90/nipype,mick-d/nipype,sgiavasis/nipype,blakedewey/nipype,FCP-INDI/nipype,dgellis90/nipype,sgiavasis/nipype,pearsonlab/nipype,pearsonlab/nipype,carolFrohlich/nipype,mick-d/nipype,dgellis90/nipype,sgiavasis/nipype,wanderine/nipype,carolFrohlich/nipype,carolFrohlich/nipype,FCP-INDI/nipype,iglpdc/nipype,pearsonlab/nipype,sgiavasis/nipype,blakedewey/nipype,mick-d/nipype,FCP-INDI/nipype,mick-d/nipype,wanderine/nipype,blakedewey/nipype,iglpdc/nipype,FCP-INDI/nipype,blakedewey/nipype,iglpdc/nipype,carolFrohlich/nipype,iglpdc/nipype,dgellis90/nipype,wanderine/nipype,wanderine/nipype,pearsonlab/nipype