added comparestack.py in bin directory; it will take two different stacks and allows for relabeling and changing of different threshold parameters
added comparestack.py in bin directory; it will take two different stacks and allows for relabeling and changing of different threshold parameters

Signed-off-by: Juan Nunez-Iglesias <4526886c2a79b2bd2f9068426bbd2e9c8826fdcb@janelia.hhmi.org>

stuarteberg/ray,jni/ray,janelia-flyem/gala,jni/gala