export_graph will create base directory if it doesn't exist
export_graph will create base directory if it doesn't exist

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1563 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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