minor cleanup of bet test.
minor cleanup of bet test.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1257 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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