Merge branch 'TH2M_refactorings' into 'master'

ProcessLib/TH2M/CreateTH2MProcess.cpp

ProcessLib/TH2M/IntegrationPointData.h

ProcessLib/TH2M/LocalAssemblerInterface.h

...TH2M/PhaseTransitionModels/PhaseTransitionDissolution.cpp

...b/TH2M/PhaseTransitionModels/PhaseTransitionDissolution.h

...TH2M/PhaseTransitionModels/PhaseTransitionEvaporation.cpp

...b/TH2M/PhaseTransitionModels/PhaseTransitionEvaporation.h

...essLib/TH2M/PhaseTransitionModels/PhaseTransitionFull.cpp

ProcessLib/TH2M/PhaseTransitionModels/PhaseTransitionFull.h

ProcessLib/TH2M/PhaseTransitionModels/PhaseTransitionModel.h

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

ProcessLib/TH2M/PhaseTransitionModels/PhaseTransitionNone.h

ProcessLib/TH2M/TH2MFEM-impl.h

ProcessLib/TH2M/TH2MFEM.h

ProcessLib/TH2M/TH2MProcess.cpp

ProcessLib/TH2M/TH2MProcessData.h

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

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

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

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