Update VisualizeFocalSeries.01.ipynb to correct issue with zenodo redirect...

Update VisualizeFocalSeries.01.ipynb to correct issue with zenodo redirect links and showed how to use curl, wget or zenodo_get a utility tool with which to download all files from a given repo

requested review from @sanbrock

Hi Sandor, started cleaning up dangling branches related to issues I worked on. This one here is implemente your comments to the ipynb with the em dataset

approved this merge request

merged

mentioned in commit e2af8440