DOC: Improve the example of usage of the DKI module. Remove the parts regarding to the estimation of kurtosis standard measures
DOC: Improve the example of usage of the DKI module. Remove the parts regarding to the estimation of kurtosis standard measures

nilgoyyou/dipy,JohnGriffiths/dipy,FrancoisRheaultUS/dipy,villalonreina/dipy,demianw/dipy,sinkpoint/dipy,jyeatman/dipy,matthieudumont/dipy,jyeatman/dipy,FrancoisRheaultUS/dipy,sinkpoint/dipy,oesteban/dipy,villalonreina/dipy,demianw/dipy,StongeEtienne/dipy,JohnGriffiths/dipy,oesteban/dipy,matthieudumont/dipy,nilgoyyou/dipy,StongeEtienne/dipy