[MatL] clang-format.

MaterialLib/FractureModels/Coulomb.cpp

MaterialLib/MPL/CreatePhase.cpp

MaterialLib/MPL/Medium.cpp

MaterialLib/MPL/Phase.cpp

MaterialLib/MPL/Properties/ClausiusClapeyron.cpp

MaterialLib/MPL/Properties/Constant.cpp

...ties/CreateEffectiveThermalConductivityPorosityMixing.cpp

...operties/CreateSaturationDependentThermalConductivity.cpp

MaterialLib/MPL/Properties/DupuitPermeability.cpp

...Properties/EffectiveThermalConductivityPorosityMixing.cpp

MaterialLib/MPL/Properties/EmbeddedFracturePermeability.cpp

MaterialLib/MPL/Properties/Function.cpp

MaterialLib/MPL/Properties/KozenyCarmanModel.cpp

MaterialLib/MPL/Properties/Linear.cpp

...PL/Properties/RelativePermeability/RelPermBrooksCorey.cpp

...elativePermeability/RelPermBrooksCoreyNonwettingPhase.cpp

...PL/Properties/RelativePermeability/RelPermLiakopoulos.cpp

MaterialLib/MPL/Property.cpp

MaterialLib/SolidModels/CreepBGRa.cpp

MaterialLib/SolidModels/Ehlers.cpp