New, Create, and Show Responses. Refactor list and form as partial, and back link as helper.
Refactored node display as partial.
Show Responses now has New Response form, recursively.
Fix css formatting for empty questions note. Redirect to parent after Response Create.
Oops, finished Creating a sub-response Feature Test.
Refactor feature tests. Test response create for both responses and sub-responses.
Edit and Update Nodes.