Lots of chagnes to add multi protocol flexibility, not really
completed yet, still have to rework text messages opcodes and other stuff,
so this still a working in progress feature
* Rework dat reader, the dat reader can now
* dinamically detect dat version
* Split game into gamelib and game_interface
* Lots of other minor changes
* Added new protocol lib.
* Added missing Game Features to game/const.lua
* Added new Market module that will handle the market/market protocols too.
* Finished Market protocol and begun on the market structure (MarketOffer etc).
* Removed any traces of market protocol in the core (I think).
* Moved minimap images to /images.
* Removed old zoom images for minimap.
* Fixed a bug with randomize outfit.