Merge pull request #2880 from endJunction/VanGenuchtenCapillaryPressureSaturation

...rties/property/SaturationVanGenuchten/t_entry_pressure.md

...tFile/properties/property/SaturationVanGenuchten/t_p_b.md

Documentation/bibliography.bib

...illaryPressureSaturation/CreateSaturationVanGenuchten.cpp

...es/CapillaryPressureSaturation/SaturationVanGenuchten.cpp

...ties/CapillaryPressureSaturation/SaturationVanGenuchten.h

Tests/Data/RichardsMechanics/RichardsFlow_2d_quasinewton.prj

...s/Data/RichardsMechanics/RichardsFlow_2d_richardsflow.prj

Tests/Data/RichardsMechanics/RichardsFlow_2d_small.prj

...a/RichardsMechanics/RichardsFlow_2d_small_masslumping.prj

.../RichardsMechanics/bishops_effective_stress_power_law.prj

...sMechanics/bishops_effective_stress_saturation_cutoff.prj

...ardsMechanics/deformation_dependent_porosity_swelling.prj

Tests/Data/RichardsMechanics/gravity.prj

Tests/Data/RichardsMechanics/orthotropic_swelling_xy.prj

Tests/Data/RichardsMechanics/orthotropic_swelling_xyz.prj

Tests/MaterialLib/TestMPLSaturationVanGenuchten.cpp