batch trailing spaces cleanup

benchmarks/bench_glmnet.py

benchmarks/bench_lasso.py

benchmarks/bench_sgd_regression.py

examples/decomposition/plot_faces_decomposition.py

examples/feature_selection_pipeline.py

examples/linear_model/plot_bayesian_ridge.py

examples/linear_model/plot_lasso_model_selection.py

examples/manifold/plot_compare_methods.py

examples/manifold/plot_lle_digits.py

examples/mlcomp_sparse_document_classification.py

examples/plot_digits_classification.py

sklearn/base.py

sklearn/check_build/setup.py

sklearn/cluster/setup.py

sklearn/cluster/tests/test_mean_shift.py

sklearn/covariance/empirical_covariance_.py

sklearn/datasets/olivetti_faces.py

sklearn/datasets/twenty_newsgroups.py

sklearn/externals/joblib/__init__.py

sklearn/externals/joblib/disk.py