[#79] try to resolve RetroArchHosts first.

[bmarwell]

• fixes #79

[Skarsnik]

Hm, this add blocking code when I am trying to remove most of it now x)

[bmarwell]

Hm, this add blocking code when I am trying to remove most of it now x)

Well, what could be done is to resolve the host name ONCE and then use that the whole time. But I am not good enough at C++ to do this.

[Skarsnik]

Add a comment that QHostInfo::fromName is blocking so I remember to refactor it later when I will make the code fully async x)

[bmarwell]

Done, please re-review @Skarsnik