BF - fix voxel size computation in LocalTracking
BF - fix voxel size computation in LocalTracking

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