BUG: static variable initialisation: Cannot rely on other static variables to be initialised when initialising a static variable

for gasThermoType based on type of energy solved

and instanciating reactionThermos, Reactions, chemistrySolver
solidChemistrySolvers and readers.
chemkinReader uses the sensibleEnthalpy base of thermoType

Modified chtMultiRegionFoam and chtMultiRegionSimpleFoam to work with
anisotropic heat transfer conductivity