added WX_GL_STEREO for quad buffer stereo
added WX_GL_STEREO for quad buffer stereo

seanisom/vtp,nakijun/vtp,nakijun/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,markraz/vtp