Made use of keepers.logging compatible with inheritance.

nifty/__init__.py

nifty/field.py

nifty/logger.py

nifty/minimization/__init__.py

nifty/minimization/conjugate_gradient.py

nifty/operators/diagonal_operator/diagonal_operator.py

...rators/fft_operator/transformations/gllmtransformation.py

...rators/fft_operator/transformations/lmgltransformation.py

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

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

.../operators/fft_operator/transformations/transformation.py

nifty/operators/linear_operator/linear_operator.py

nifty/operators/propagator_operator/propagator_operator.py

nifty/spaces/gl_space/gl_space.py

nifty/spaces/lm_space/lm_space.py

nifty/spaces/space/space.py

setup.py