Suggestion: allow disabling time cap for Fischer time

[flovo]

@_KoBa

But oh dear god i can be a real slowpoke when i’m losing xD
No matter how long i stare the thumbnail at the overview page, if i can’t see a move that could help me win the game, i will let the game be and keep thinking about it if i just have some time remaining.

So… if you’re ever having a corr game with me and i start constantly dropping under 24 hours, you should feel pretty happy about it ^____^

4 weeks of thinking should be enougth