sometimes commands return error msgs in stdout; attempt to make savez threadsafe
sometimes commands return error msgs in stdout; attempt to make savez threadsafe

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1059 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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