Thermophysical Properties and PC-SAFT Modeling of Binary Mixtures (Glycerol + 1,2-Ethanediol and Glycerol + 1,2-Propanediol) and Ternary Mixtures (Glycerol + Water + 1,2-Ethanediol, Glycerol + Water + 1,2-Propanediol, and Glycerol + Water + 1,3-Butanediol), at Various Temperatures and Atmospheric Pressure