New chemical example: Adair-based Hb-O2-pH-CO2 equilibrium (simulated using Dymola 2014 FD01, with Euler's solver and "Advanced.Define.NonLinearIterations=2")
Merge branch 'master' of https://github.com/MarekMatejak/Physiolibrary

Conflicts:
	Physiolibrary/Chemical.mo