Update copyright.

arosics/CoReg.py

arosics/CoReg_local.py

arosics/DeShifter.py

arosics/Tie_Point_Grid.py

arosics/__init__.py

arosics/arosics_cli.py

arosics/geometry.py

arosics/plotting.py

arosics/version.py

docs/conf.py

setup.py

tests/__init__.py

tests/cases.py

tests/test_COREG.py

tests/test_COREG_LOCAL.py

tests/test_tie_point_grid.py