BF - Fix normalization of test vectors.
BF - Fix normalization of test vectors.

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