fixed a bug in specifymodel and conformed it to raise exception when file is not found
fixed a bug in specifymodel and conformed it to raise exception when file is not found

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1120 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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