By TravisCarden: Updated checklistapi_help() to use routes per https://drupal.org/node/2250345.
By TravisCarden: Renamed getCancelRoute() to getCancelUrl() per #2189619.
By TravisCarden: Removed getInfo() test methods in favor of PHPDoc per #2301125.
By TravisCarden: Renamed *.menu_links.yml to *.links.menu.yml per #2302893.
By TravisCarden: Fixed HTML double-escaping in progress bar.
By TravisCarden: Updated hook_help() to use routes instead of paths per #2250345.