more useful default value for suffix
more useful default value for suffix

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1364 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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