sdl4gcj is a GCJ(http://gcc.gnu.org/java/) binding to SDL(Simple DirectMedia Layer : http://www.libsdl.org/).
* Added SDL_ttf support
* Fixed some tiny bug.
* Changed SDL system class
* Added some comments used by doxygen.
* Fixed a initialize flag bug in 'test-image/ImageTest.java'.
* Fixed some variable names in 'configure.in'.
* Changed SDL system class
** sdl4gcj.Sys to sdl4gcj.SDLSystem
* Added system class
** Added sdl4gcj.image.IMGSystem class
** Added sdl4gcj.mixer.MixSystem class
* Added SDL_ttf support
** sdl4gcj.ttf.TTFSystem
** sdl4gcj.ttf.Font
