Merge remote-tracking branch 'origin/master' into faster_rebuilds

INSTALL.swift

configure.ac

examples/CoolingHalo/cooling_halo.yml

examples/CoolingHaloWithSpin/cooling_halo.yml

examples/EAGLE_100/README

examples/EAGLE_100/eagle_100.yml

examples/EvrardCollapse_3D/evrard.yml

examples/EvrardCollapse_3D/getReference.sh

examples/EvrardCollapse_3D/makeIC.py

examples/EvrardCollapse_3D/plotSolution.py

examples/EvrardCollapse_3D/run.sh

examples/ExternalPointMass/externalPointMass.yml

examples/ExternalPointMass/makeIC.py

examples/GreshoVortex_3D/getGlass.sh

examples/GreshoVortex_3D/gresho.yml

examples/GreshoVortex_3D/makeIC.py

examples/GreshoVortex_3D/plotSolution.py

examples/GreshoVortex_3D/run.sh

examples/HydrostaticHalo/hydrostatic.yml

examples/InteractingBlastWaves_1D/getReference.sh