Allow us to abandon early if a player is afk form the start

[SiRan90]

There's a pop-up when someone suggests an abandon, and anyone including the player whose turn it is can click 'no' to refuse the abandon. To make this suggestion work, the abandon has to go through, say, 20 seconds after the first person suggests the abandon. This 20 second grace period will give enough time for the current player to say no.

This seems like a system that would be abused. For real time arena games it would be better if everyone had to confirm they were there before the game started