[wip] Starting to port Albert's scripts

[kephale]

Closes #373

[kephale]

I've started on https://syn.mrc-lmb.cam.ac.uk/acardona/fiji-tutorial/#find-peaks

I was able to get it running, but it is not the correct visualization yet. It currently looks like:

As you can see there are some scaling/offset issues to resolve. The script is also longer than I'd like, but I'm just trying to air it out for now. I also don't want this to use 3 separate volumes, but it was simply faster in this situation.

Tagging @acardona so he knows where the code is living.

[kephale]

Ok, find-peaks is fixed:

It is longer than the original, but still pretty clean: https://github.com/scenerygraphics/sciview/blob/albert-example-scripts/src/main/resources/sc/iview/scripts/find_and_count_cells_cardona.py

I didn't try to do any refactoring of the old ImgLib1 stuff.