DOC: scikits.learn -> sklearn

doc/datasets/index.rst

doc/datasets/labeled_faces.rst

doc/datasets/labeled_faces_fixture.py

doc/datasets/mldata.rst

doc/datasets/mldata_fixture.py

doc/datasets/twenty_newsgroups.rst

doc/developers/performance.rst

examples/cluster/README.txt

examples/covariance/README.txt

examples/decomposition/README.txt

examples/gaussian_process/README.txt

examples/gaussian_process/gp_diabetes_dataset.py

examples/linear_model/README.txt

examples/manifold/README.txt

examples/manifold/plot_lle_digits.py.prof

examples/mixture/README.txt

examples/svm/README.txt

setup.py