removed engine workarounds for traits bug. trying to address it in datagrabber.
removed engine workarounds for traits bug. trying to address it in datagrabber.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1314 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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