add a big comment explaining that is where CTF spawn position selection occurs and the basic idea of the current algorithm.
add a big comment explaining that is where CTF spawn position selection occurs and the basic idea of the current algorithm.

git-svn-id: c0942edff5350604e2827ab28bdfcfa5200fadee@12630 08b3d480-bf2c-0410-a26f-811ee3361c24

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