Added preliminary support for tasks auth password and refactored computing conf approach.

containers/MetaDesktop/files/entrypoint.sh

containers/MetaDesktop/files/run_vnc.sh

containers/MetaDesktop/push.sh

services/webapp/code/rosetta/base_app/admin.py

services/webapp/code/rosetta/base_app/decorators.py

...rosetta/base_app/management/commands/base_app_populate.py

services/webapp/code/rosetta/base_app/models.py

services/webapp/code/rosetta/base_app/tasks.py

...bapp/code/rosetta/base_app/templates/components/task.html

...es/webapp/code/rosetta/base_app/templates/computings.html

...s/webapp/code/rosetta/base_app/templates/create_task.html

services/webapp/code/rosetta/base_app/views.py