Merge branch 'TH2M_thermal_conductivity_revised' into 'master'

...TH2M/PhaseTransitionModels/PhaseTransitionEvaporation.cpp

ProcessLib/TH2M/PhaseTransitionModels/PhaseTransitionModel.h

...essLib/TH2M/PhaseTransitionModels/PhaseTransitionNone.cpp

ProcessLib/TH2M/TH2MFEM-impl.h

Tests/Data/TH2M/H2/mcWorther/mcWorther_h2.prj

Tests/Data/TH2M/H2M/Liakopoulos/liakopoulos_TH2M.prj

...M/HM/Confined_Compression/HM_confined_compression_gas.prj

...M/Confined_Compression/HM_confined_compression_liquid.prj

Tests/Data/TH2M/HM/flow_fully_saturated.prj

Tests/Data/TH2M/HM/flow_fully_saturated_gas.prj

Tests/Data/TH2M/M/M_2d_neumann/M_2d_neumann.prj

...endentPermeability/Strain_Dependent_Permeability_Test.prj

Tests/Data/TH2M/T/T_1d_dirichlet/T_1d_dirichlet.prj

Tests/Data/TH2M/TH/idealGasLaw/compression_gas.prj

Tests/Data/TH2M/TH2/heatpipe_radial/heatpipe_radial.prj

Tests/Data/TH2M/TH2/heatpipe_slab/heatpipe_slab.prj

...THM/Confined_Compression/THM_confined_compression_gas.prj

.../Confined_Compression/THM_confined_compression_liquid.prj

Tests/Data/TH2M/THM/slab/THM_1d_dirichlet.prj

Tests/Data/TH2M/THM/sphere/point_heatsource.prj