add sample for Metamorph Excel export
add Imaris statistics export of a "Spots" object

containing about 150 spots in a volume, each x-y corner has an extra
spot that was manually placed there to determine the limits of the
z-projection of the corresponding volume
add corresponding export without the "corner" spots

this is the same export where the entries for the four spots in the
corners have been removed
add result files for bitmap generation