Various code format modifs from review
Various code format modifs from review

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