Make tutorial to run neuropointillist using open data

[rosali920]

Repeated measures open data from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3641991/

• raw: https://openneuro.org/datasets/ds000114/versions/00003
• preprocessed: http://datasets.datalad.org/workshops/nih-2017/ds000114/derivatives/fmriprep/