Save chat history on server and client sides

[JayDi85]

WIP, you can modifies or adds new feature here, or start to work on some tasks (feel free to comments).

Server and client sides TODO:

• save chat history in files (date-time, username, message -- ???use text, html or json format -- see gamelogJson???);
• it's a stream (append data to the end of file, create on not found);
• ???add first "info" message about game/players in game/tournament logs???
• each server have own folder (server's address);
• each account have own folder in client side (account's name);
• make following file types:
  • lobby.xxx -- save all in/out lobby messages;
  • private_username.xxx -- save private in/out messages with user (whisper feature);
  • ??? game_guid.xxx -- save game's in/out messages???;
  • ??? tournament_guid.xxx -- save tournament's in/out messages???;

Server side TODO:

• add config options for chat history dir and for enables that feature (save lobby, default is false);
• save lobby;
• folder struct example:
  • .\lobby.xxx;

Client side TODO:

• add preferences options for chat history dir and for enables that feature (save lobby, save game/tournament, save private -- default is true for all);
• save lobby, game and tournament, private logs;
• folder struct example:
  • .\server\account\lobby.xxx;
  • .\server\account\private\private_username.xxx;
  • .\server\account\games\game_guid.xxx;
  • .\server\account\games\tournament_guid.xxx;

[siyiye]

Can you save the game log and prepare for the later replay function?
THX~