[ENH] Minor improvements: SpatialNormalization and segmentation
[ENH] Minor improvements: SpatialNormalization and segmentation

oesteban/mriqc,poldracklab/mriqc,poldracklab/mriqc,oesteban/mriqc,oesteban/mriqc,oesteban/mriqc,poldracklab/mriqc,poldracklab/mriqc