[Zurich] Only super user can edit bodies
[Zurich] Only link to edit body for super user
[Zurich] Add test for superuser body editing
[Zurich] Test for only superusers can add bodies
[Zurich] Only superusers can see add body form
[Zurich] Use get_ok for superuser adding bodies test
Fix comment in tests
[Zurich] Ensure only superusers can add/edit bodies