[Freeciv-Dev] server i/o patch

[Vasco Alexandre Da Silva Costa <vasc@xxxxxxxxxxxxxx>]

This is Lauri Tarkkala <ltarkkal@xxxxxxxxxxxxxxx> 's patch with some changes:

* sets tcptimeout var in game_init().
* sets tcptimeout var in game_load() (it should probably be saved, i put 
  this initialization here has a reminder).
* doesn't break sniff_packets() in more functions.
* doesn't add TCP_NODELAY option.
* changed send_connection_data() and friends.
* eliminated netwait option (always writes by default now)

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Vasco Alexandre da Silva Costa @ Instituto Superior Tecnico, Lisboa

freeciv-net.patch.gz
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