added dipy to CircleCI
added dipy to CircleCI

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