Allow MsgAlive to be passed through before the join is fully completed as the client will not try to send another  spawn request, and the server will queue their initial request for when they *can* spawn.
Allow MsgAlive to be passed through before the join is fully completed as the client will not try to send another 
spawn request, and the server will queue their initial request for when they *can* spawn.

git-svn-id: c0942edff5350604e2827ab28bdfcfa5200fadee@20909 08b3d480-bf2c-0410-a26f-811ee3361c24

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