Updated POM for new Fiji version

Signed-off-by: Luke Stuyvenberg <stuyvenberg@wisc.edu>
Make plugin GUI static

Hopefully the selected processing steps will be able to remain between
invocations.

Signed-off-by: Luke Stuyvenberg <stuyvenberg@wisc.edu>
Give processors more useful information

Processing state, active view (in particular, the multithreaded nature
means processBead in bead processors should know the view).

Signed-off-by: Luke Stuyvenberg <stuyvenberg@wisc.edu>
WIP: Tri-view processor

This processor will allow a user to draw a ROI around the sample; this
will exclude detections within the sample volume, and later black out the
pixels beyond the sample volume.

Signed-off-by: Luke Stuyvenberg <stuyvenberg@wisc.edu>