v5.6.2_2.0.0

Dockerfiles for building Docker images based on omero-py version 5.6.2 (https://pypi.org/project/omero-py/5.6.2/) and PyOmeroUpload toolkit version 2.0.0 (https://github.com/SynthSys/pyOmeroUpload/releases/tag/v5.6.2_2.0.0)