Merge branch 'master' into MHD_canvas

AUTHORS

configure.ac

doc/RTD/source/ExternalPotentials/index.rst

doc/RTD/source/NewOption/sink_adding_new_scheme.rst

doc/RTD/source/SubgridModels/AGORA/index.rst

doc/RTD/source/SubgridModels/Basic/index.rst

doc/RTD/source/SubgridModels/GEAR/index.rst

doc/RTD/source/SubgridModels/GEAR/sinks/index.rst

doc/RTD/source/SubgridModels/GEAR/sinks/output.rst

doc/RTD/source/SubgridModels/GEAR/sinks/params.rst

doc/RTD/source/SubgridModels/GEAR/sinks/sink_timesteps.rst

doc/RTD/source/SubgridModels/GEAR/sinks/theory.rst

examples/AGORA/AgoraDisk/agora_disk.yml

examples/GEAR/AgoraCosmo/agora_cosmo.yml

examples/GEAR/AgoraDisk/agora_disk.yml

examples/GEAR/ZoomIn/zoom_in.yml

...ples/GravityTests/MWPotential2014_circularorbit/makeIC.py

...s/GravityTests/MWPotential2014_circularorbit/makePlots.py

...vityTests/MWPotential2014_circularorbit/params_unit_1.yml

...vityTests/MWPotential2014_circularorbit/params_unit_2.yml