fixed fsl_preprocess tests, need to add skip if fsl not installed
fixed fsl_preprocess tests, need to add skip if fsl not installed

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1634 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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