streamline prediction into mriqc_run (close #391)
streamline prediction into mriqc_run (close #391)

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