Update compose files, authelia config. Fix banner. Write galaxy_nginx.conf only if needed. Modify authelia_config_path condition. Modify get config args. Remove deploy_stack_for_current_organism.instance_url

jinja templating, more workflow changes, trying fixes for the jbrowse gmod tool using API (in progress)

run_workflow changes (functional again), some optimisation in gga_init, gga_load and run_workflow, more validation steps in gga_init