Made Thinstrip full and thinstrip mixed comparable

src/paper_thinstrip_full/3p_driver_monolithic.hh

src/paper_thinstrip_full/chns.ini

src/paper_thinstrip_full/thinstrip_boundary.hh

src/paper_thinstrip_mixed/chns.ini

src/paper_thinstrip_mixed/driver_mixed.hh

src/paper_thinstrip_mixed/tmixed_boundary.hh

src/paper_thinstrip_mixed/tmixed_chns_r_cahnhilliard.hh

src/paper_thinstrip_mixed/tmixed_upscaledp.hh