Added cmake files for XCode project generation.
Added Freetype XCode project.
Added Freetype framework.
Corrected libRocket XCode project. Now libRocket links with local Freetype framework.
Updated Rocket.framework. Now it is linked agains local Freetype.framework.
Updated Warsow XCode project. Now Warsow uses local Freetype.framework.
Removed unnecessary XCode files.
Removed unnecessary library search path from Warsow XCode project.
Merge pull request #95 from vkni/master

QFusion compiles and runs on MacOSX (without server part)
Move buffered queue to sys_ and export it to sound modules via API
Add asynchronous texture loader

2D gfx are still loaded synchronously since libRocket relies on that to get pixel dimensions