Added Prefactor3 container.

README.md

prefactor3/Dockerfile

prefactor3/Pre-Facet-Calibrator.parset

prefactor3/Pre-Facet-Target.parset

prefactor3/build_docker_container.sh

prefactor3/data/input_data/README.md

prefactor3/data/output_data/README.md

prefactor3/entrypoint.sh

prefactor3/pipeline.cfg

prefactor3/run_docker_container.sh

prefactor3/run_pipelines.sh

prefactor3/run_singularity_container.sh

prefactor3/sudoers