added comparison and fixed constructor to RGBAf
added comparison and fixed constructor to RGBAf

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