FTR: General: Tournament Mode

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In Tournament Mode, server keeps track of players' frags and deaths over the mapcycle duration, so a final result at the end of mapcycle can be shown to players.

In case of team deathmatch, the concept is similar but team results shall be also summarized at the end of the mapcycle.

And, upon detecting the end of the last game, extra screen shall be shown with these final results.