RF: all_zeros was not being used in any of these.
RF: all_zeros was not being used in any of these.

nilgoyyou/dipy,StongeEtienne/dipy,Messaoud-Boudjada/dipy,demianw/dipy,nilgoyyou/dipy,mdesco/dipy,samuelstjean/dipy,villalonreina/dipy,JohnGriffiths/dipy,beni55/dipy,demianw/dipy,rfdougherty/dipy,maurozucchelli/dipy,matthieudumont/dipy,mdesco/dipy,beni55/dipy,FrancoisRheaultUS/dipy,maurozucchelli/dipy,samuelstjean/dipy,matthieudumont/dipy,rfdougherty/dipy,oesteban/dipy,maurozucchelli/dipy,FrancoisRheaultUS/dipy,sinkpoint/dipy,sinkpoint/dipy,oesteban/dipy,JohnGriffiths/dipy,jyeatman/dipy,StongeEtienne/dipy,Messaoud-Boudjada/dipy,villalonreina/dipy,samuelstjean/dipy,jyeatman/dipy