fixed voxel wise standardization (see https://github.com/nicholst/DVARS/compare/e0db49d15c2b53359a5060404b82ff6e037ca0ea...master#diff-af96b24619b538d0e8b556069fd0883aR150)
fixed voxel wise standardization (see https://github.com/nicholst/DVARS/compare/e0db49d15c2b53359a5060404b82ff6e037ca0ea...master#diff-af96b24619b538d0e8b556069fd0883aR150)

mick-d/nipype,mick-d/nipype,mick-d/nipype,mick-d/nipype