first working version

nifty/config/__init__.py

nifty/config/d2o_config.py

nifty/config/nifty_config.py

nifty/field.py

nifty/nifty_utilities.py

nifty/operators/diagonal_operator/diagonal_operator.py

...y/operators/fft_operator/transformations/rg_transforms.py

...rators/fft_operator/transformations/rgrgtransformation.py

nifty/probing/prober/prober.py

setup.py

test/test_minimization/test_conjugate_gradient.py

test/test_minimization/test_descent_minimizers.py

test/test_operators/test_composed_operator.py

test/test_operators/test_diagonal_operator.py

test/test_serialization.py

test/test_spaces/test_interface.py

test/test_spaces/test_lm_space.py