Avoids code hacking to hide the title/URL fields, etc.. Requires to set `COMMENTS_APP = "fluent_comments"`. Closes #3
- Added get_comments_for_model() - Added CommentsRelation - Added comments_count filter
Keeps the JSON response clean for errors; no need to include `is_moderated`, `comment_id` or `html` in there.
This makes the email notification independant of the moderator registration.