Merge branch 'copyright-typo' into 'master'

src/black_holes.h

src/black_holes/Default/black_holes.h

src/black_holes/Default/black_holes_io.h

src/black_holes/Default/black_holes_properties.h

src/black_holes/EAGLE/black_holes.h

src/black_holes/EAGLE/black_holes_io.h

src/black_holes/EAGLE/black_holes_parameters.h

src/black_holes/EAGLE/black_holes_properties.h

src/black_holes_io.h

src/black_holes_properties.h

src/chemistry/EAGLE/chemistry_io.h

src/chemistry/GEAR/chemistry_csds.h

src/chemistry/GEAR/chemistry_io.h

src/chemistry/QLA/chemistry_io.h

src/chemistry/none/chemistry_csds.h

src/chemistry/none/chemistry_io.h

src/chemistry_csds.h

src/chemistry_io.h

src/cooling_io.h

src/extra_io.h