Countdown timer now only starts when one of the players click the start button
Farmers are now non-refundable, meaning regardless of how many farmers you have in a Mineral Farm, you will only get the 75 mineral refund. This means players can't sell off all their Mineral Farms towards the end for a huge mineral boost, making the last rounds easy.
Hotkey changed for the turret to R as to not confuse it with the hotkey for 'Select all warpgates' which will come up with certain towers
