ACF2: Make all Weaklings on worst CPU level

separated the server logic from all the async io mess.

ACF: Reduce computer hog levels in missions 2 and 6. They were way too high, especially in mission 2. Mission 2: Weaklings: level 5 → level 1 (except Brainiac) Stronglings: (real) level 4 → level 2 Brainiac: level 1 → level 5 (because he's special) Looks like all levels were just flipped. Mission 5: First enemy team: level 5 → level 3 Reinforcements: level 5 → level 4 The high skill level punishes player mistakes too much.

CTF_Blizzard: Force clan limit of 2. Auto-remove excess hogs

CTF_Blizzard: Dump dead code / out-commented code

CTF: Write hog with most captures in stats screen

CTF: Say "clan" instead of "team" in mission panel

CTF: Show team scores and score graph in stats screen

CTF: Don't disable home flag after capture

CTF: Allow to be played with more than 2 clans

CTF: Drop flag when carrier uses piano strike

Capture the Flag: Fix many Lua errors when playing with >2 clans

Mutant: Faster excess hog removal

uCommandHandlers: Remove unused variable

CTF: Dumb out-commented code