Download page needs some update

[guillaume.gardet at free.fr]

Hi,

Download page: https://subsurface-divelog.org/download/ needs some update:
* Fedora: 24,25,26,27 => 27,28,rawhide
* openSUSE: Leap 42.1, Leap 42.2, Leap 42.3, Tumbleweed => Leap 42.3, Leap 15.0, Tumbleweed

If someone could update it, please?

Thanks,

Guillaume