Better handling of unconfigured computing resources. Fixes and improvements.

README.md

docker-compose-dev.yml

services/standaloneworker/registries.conf

services/webapp/code/rosetta/core_app/computing_managers.py

...code/rosetta/core_app/templates/components/computing.html

...ices/webapp/code/rosetta/core_app/templates/new_task.html

...ces/webapp/code/rosetta/core_app/templatetags/__init__.py

...p/code/rosetta/core_app/templatetags/computing_helpers.py

services/webapp/code/rosetta/core_app/utils.py