Called by external CRON (wget/curl).
Downloads all videos from yesterday and uploads to FTP.
Updates the video.download_url on success.

GET /surfreport/cron_upload_video_from_livestream_to_ftp/?format=api
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "success": true,
    "processed": 2,
    "errors": []
}