- added support for cross-compiling with MXE (http://mxe.cc/)
- refactored CMake files, adding some options and moving definitions
to more suitable places
* changed profile.cpp to use SimpleIni to load config files
* added new CProfile singleton class for loading config
* added SimpleIni to lib/ dir
* added config loading tests
- added CImage class for loading/saving images and a simple test for it
- added libpng library to build
- added Gfx::Texture struct
- updated the Gfx::CDevice interface to include new features
- implemented the new features in Gfx::CGLDevice
- added CDevice abstract interface
- began implementation of CGLDevice
- added stub for Texture struct
- created CGLDeviceConfig
- changed particule -> particle & other minor changes
- added/changed event structs and event queue in common/event.h
- added event handling and some minor functions in CApplication
- switched to --std=c++11 because of union in Event struct
- added (very basic) SDL template in CApplication and CEngine
- split project into two targets: colobot_old (dependent on DirectX and WinAPI)
and colobot_new (dependent on SDL and OpenGL)
- moved sound.h/cpp to old/ and created new template in Snd namespace
- added platform-independent dialog boxes in app/system.h/cpp