Added inputs&outputs descriptions
Added inputs&outputs descriptions

PR #622

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