BF: do not use cmd for logging unless defined + refine log msgs
BF: do not use cmd for logging unless defined + refine log msgs

mick-d/nipype,arokem/nipype,FCP-INDI/nipype,mick-d/nipype,FredLoney/nipype,fprados/nipype,glatard/nipype,gerddie/nipype,mick-d/nipype_source,glatard/nipype,blakedewey/nipype,gerddie/nipype,pearsonlab/nipype,grlee77/nipype,Leoniela/nipype,wanderine/nipype,sgiavasis/nipype,JohnGriffiths/nipype,wanderine/nipype,pearsonlab/nipype,rameshvs/nipype,fprados/nipype,JohnGriffiths/nipype,pearsonlab/nipype,mick-d/nipype,dmordom/nipype,grlee77/nipype,FredLoney/nipype,iglpdc/nipype,carolFrohlich/nipype,pearsonlab/nipype,mick-d/nipype,carolFrohlich/nipype,dgellis90/nipype,rameshvs/nipype,FCP-INDI/nipype,sgiavasis/nipype,carlohamalainen/nipype,blakedewey/nipype,iglpdc/nipype,FredLoney/nipype,Leoniela/nipype,glatard/nipype,christianbrodbeck/nipype,christianbrodbeck/nipype,mick-d/nipype_source,sgiavasis/nipype,FCP-INDI/nipype,blakedewey/nipype,rameshvs/nipype,Leoniela/nipype,iglpdc/nipype,dgellis90/nipype,JohnGriffiths/nipype,arokem/nipype,grlee77/nipype,glatard/nipype,carolFrohlich/nipype,dmordom/nipype,dgellis90/nipype,rameshvs/nipype,arokem/nipype,carlohamalainen/nipype,mick-d/nipype_source,wanderine/nipype,carlohamalainen/nipype,dmordom/nipype,arokem/nipype,iglpdc/nipype,carolFrohlich/nipype,gerddie/nipype,dgellis90/nipype,gerddie/nipype,wanderine/nipype,FCP-INDI/nipype,sgiavasis/nipype,fprados/nipype,grlee77/nipype,JohnGriffiths/nipype,blakedewey/nipype