[docs] updated documentation for renamed classes

man/prj_kinetic_reactant.Rd

man/prj_linear_solver.Rd

man/prj_local_coordinate_system.Rd

man/prj_material_property.Rd

man/prj_medium.Rd

man/prj_nonlinear_solver.Rd

man/prj_output.Rd

man/prj_parameter.Rd

man/prj_ph_property.Rd

man/prj_phase.Rd

man/prj_phase_component.Rd

man/prj_phasefield_parameters.Rd

man/prj_pipes.Rd

man/prj_porous_medium.Rd

man/prj_pr_property.Rd

man/prj_process.Rd

man/prj_process_variable.Rd

man/prj_rate.Rd

man/prj_relative_permeability.Rd

man/prj_search_length_algorithm.Rd