Merge branch 'master' into Pressure-Energy-SPH

.gitignore

configure.ac

examples/MoonFormingImpact/moon_forming_impact.yml

examples/UranusImpact/uranus_impact.yml

examples/parameter_example.yml

src/Makefile.am

src/const.h

src/debug.c

src/equation_of_state/planetary/equation_of_state.h

src/equation_of_state/planetary/hm80.h

src/equation_of_state/planetary/tillotson.h

src/hydro.h

src/hydro/GizmoMFM/hydro.h

src/hydro/GizmoMFM/hydro_debug.h

src/hydro/GizmoMFM/hydro_gradients.h

src/hydro/GizmoMFM/hydro_gradients_gizmo.h

src/hydro/GizmoMFM/hydro_gradients_sph.h

src/hydro/GizmoMFM/hydro_iact.h

src/hydro/GizmoMFM/hydro_io.h

src/hydro/GizmoMFM/hydro_part.h