Merge pull request #2228 from endJunction/RMInterpolatedPressure

NumLib/Function/Interpolation.h

ProcessLib/HydroMechanics/HydroMechanicsFEM-impl.h

ProcessLib/HydroMechanics/HydroMechanicsFEM.h

ProcessLib/HydroMechanics/HydroMechanicsProcess.cpp

ProcessLib/HydroMechanics/HydroMechanicsProcess.h

ProcessLib/HydroMechanics/HydroMechanicsProcessData.h

ProcessLib/HydroMechanics/Tests.cmake

.../LocalAssembler/HydroMechanicsLocalAssemblerMatrix-impl.h

ProcessLib/RichardsMechanics/RichardsMechanicsFEM-impl.h

ProcessLib/RichardsMechanics/RichardsMechanicsProcess.cpp

ProcessLib/RichardsMechanics/RichardsMechanicsProcessData.h

ProcessLib/RichardsMechanics/Tests.cmake

...ned_Compression/square_1e2_pcs_0_ts_120_t_1000.000000.vtu

...Confined_Compression/square_1e2_pcs_0_ts_1_t_5.000000.vtu

...fined_Compression/square_1e2_pcs_0_ts_20_t_100.000000.vtu

...ned_Compression/square_1e2_pcs_0_ts_420_t_4000.000000.vtu

...Mechanics/RichardsFlow_2d_small_pcs_0_ts_0_t_0.000000.vtu

...nics/RichardsFlow_2d_small_pcs_0_ts_104_t_2000.000000.vtu

...hanics/RichardsFlow_2d_small_pcs_0_ts_19_t_318.000000.vtu

...Mechanics/RichardsFlow_2d_small_pcs_0_ts_1_t_1.000000.vtu