Added Config class for delivering some application (configurable)
settings.
Added GlWindow class reponsible for main window creation.
Added log.h file with simple logging macros... I know - C++ and macros!
Added YMine class responsible for starting whole appllication. If you
are looking for main() you'll find it there.

Changed project settings files for SDL and OpenGL compiler/linker flags.
Added Game class responsible for main game loop handling.
Added InputHandler to process SDL input events.