LMS-2472 Added support for microscopy data sets

...ata/Initialize Screening Platonic Metadata (local).launch

test-data/screening/config/dss-service.properties

test-data/screening/etc/data-set-handler-microscope.py

test-data/screening/readme.mdown

...creening/source/admin-console/setup-platonic-metadata.txt

test-data/screening/source/python/generate-test-series.py

test-data/screening/source/python/imagegen.py