[WIP] NF: Downloader for the Localizer dataset.
Localizer: remove previously introduced 'subfolder' trick.
Localizer: Add example + function to download one structural image
Localizer: data fetcher is more compliant with available tools.
Localizer: Nice plot of background anat in example.
Localizer: Warning when wrong number of subjects provided.
Localizer: Correct number of detections in example.
Localizer: Better contrast names (WIP)
Localizer: Contrast naming
Localizer: Fetch calculation task helper function/
Localizer: cosmit.
Localizer: (cosmit) slice selection in example.
Localizer: name of the downloaded archive is now unique.
Localizer: (smoke) tests for the downloader.
Localizer: Manually reverting commit about conflicting archive names.
Localizer: cosmit (addressing bthirion's comments).
Localizer: remove function that dowwloads only one structural img.
Localizer: remove test for a function that has been deleted.
Localizer: contrast names (proposal)
Localizer: contrast names (final).