add protocols filter on mirrorlist

new name and signature

corrected decision on resp_time

handle possible ftps mirrors

removed mirrors.json from `/var/lib/pacman-mirrors`
downloaded mirrors.json is saved to `/usr/share/pacman-mirrors`

- we can't release a point-release when the version was never released

updated version to 4.1.1-dev

in some locales the strftime() would not accept unicode
the format was dd monthname yyyy hh:mm
changed to dd-mm-yyyy hh:mm

added extra time for https handshake
added ssl_verify to get_mirror_response()