Sandboxing makes module scripts run inside an isolated lua environments,
making more easier and secure to script
Move and rework TextMessage using the new sandbox system
* 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.
* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler