This feature has been added. A breadcrumbs widget added too, this can be added to AP top position.
Just renaming will never work. Use poedit.net tool to edit ap.pot and then save as ap-fr_FR.po and p-fr_FR.mo.
Go to AnsPress option and save it once.
Other answer in this question is best answer, it has a title called Best Answer and green background.
Please give me link to a question with best answer, I will check. Documentation is not ready yet, will be added soon.