Dynamic auto team balance

[nickalreadyinuse]

Setting for servers, with some potentially configurable parameters, that would enforce the following logic:

When teams become unbalanced for (5...10...15 seconds) run a check to see if teams can be balanced by moving players from the opposing side. If they can, randomly select the appropriate number of players and move them automatically (either upon their next death or by forcibly killing/swapping them... whichever is easier).