RF - minor cleanup of odds and ends
RF - minor cleanup of odds and ends

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