Remove old traitlets accessor calls.
Remove old traitlets accessor calls.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1130 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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