Convert tasks to  routes and ensure that route specs pass
Move edit view to show
Update new view to use real URL
Add check for method
Update controller specs and controller
Update links in backlog_item/edit view
Work out full URL for PATCHing
Make #update redirect to backlog_item_path
Remove unused code
Remove out-of-date specs; they served their purpose well
Swap routes to resources, fix specs
Fix unfound task_path
Fix unfound tasks_path
Fix name backlog_path -> backlog_items_path
Fix layout spec and view
Move the edit view to the show view
Fix controller routing
Fix for bad backlog_path
Change path
Remove unnecessary specs