Added hopped, remote computing support. Minor fixes.

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

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

...webapp/code/rosetta/core_app/templates/add_container.html

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

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

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

.../code/rosetta/core_app/templates/edit_computing_conf.html

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