Merge branch 'master' into 'mesh_force_task'

configure.ac

doc/Doxyfile.in

examples/CoolingHalo/cooling_halo.yml

examples/CoolingHaloWithSpin/cooling_halo.yml

examples/ExternalPointMass/externalPointMass.yml

examples/HydrostaticHalo/hydrostatic.yml

examples/IsothermalPotential/isothermal.yml

examples/KeplerianRing/keplerian_ring.yml

examples/KeplerianRing/write_gadget.py

examples/MultiTypes/multiTypes.yml

examples/parameter_example.yml

src/Makefile.am

src/adiabatic_index.h

src/cbrt.h

src/common_io.c

src/common_io.h

src/equation_of_state/planetary/equation_of_state.h

src/hydro/MinimalMultiMat/hydro_io.h

src/parallel_io.c

src/parser.c