replaced duplicated human/alien vars in level_locals_t by arrays
Merged G_SelectAlienLockSpawnPoint and it's human's variant into a single function, but kept old signatures to avoid breaking things.
removed occurrences of numAlienSpawns
removed occurrences of numHumanSpawns
fixed some sigsegv candidate just introduced, merged some lines related to numSpawns[] and added some asserts
removed occurrences of numAlienClients
removed occurrences of numHumanClients and add some comments near a line giving strange warning (which *must* to be fixed before any merge)
merged some numClients related lines
removed averageNumAlienClients
removed averageNumHumanClients
removed numAlienSamples
removed numHumanSamples
moved duplicated code into a for loop (which still have constants that could be removed)
removed numLiveAlienClients and added some todo about fixing team_t problem
remove numLiveHumanClients
removed duplicated test
removed alienBuildPoints
removed humanBuildPoints
removed some duplicated code
removed alienMineEfficiency