Sync with MHD_canvas

TestAllMHD.sh

configure.ac

doc/RTD/source/SubgridModels/AGNSpinJets/params.rst

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

examples/Cooling/CoolingBox/README

examples/Cooling/CoolingBox/run.sh

examples/HydroTests/NFW_Hydrostatic/NFW_Hydrostatic.yml

examples/HydroTests/NFW_Hydrostatic/README

examples/HydroTests/NFW_Hydrostatic/getICs.sh

examples/HydroTests/NFW_Hydrostatic/plotGasDensityProfile.py

examples/HydroTests/NFW_Hydrostatic/run.sh

examples/HydroTests/SedovBlast_3D/plotSolution.py

...sedCluster/IdealisedCluster_M13/idealised_cluster_M13.yml

...dCluster/IdealisedCluster_M135/idealised_cluster_M135.yml

...sedCluster/IdealisedCluster_M14/idealised_cluster_M14.yml

...sedCluster/IdealisedCluster_M15/idealised_cluster_M15.yml

examples/IsolatedGalaxy/IsolatedGalaxy_feedback/getIC.sh

examples/MHDTests/CosmoVolume/L0150N0064/getIC.sh

examples/MHDTests/CosmoVolume/L0150N0064/run.sh

...HDTests/CosmoVolume/L0150N0064/swift_param_L0150N0064.yml