Revert to original definition of Blur interface.
Revert to original definition of Blur interface.

carolFrohlich/nipype,mick-d/nipype,dgellis90/nipype,mick-d/nipype,sgiavasis/nipype,dgellis90/nipype,mick-d/nipype,carolFrohlich/nipype,dgellis90/nipype,mick-d/nipype,sgiavasis/nipype,carolFrohlich/nipype,FCP-INDI/nipype,carolFrohlich/nipype,sgiavasis/nipype,FCP-INDI/nipype,sgiavasis/nipype,dgellis90/nipype,FCP-INDI/nipype,FCP-INDI/nipype