DOC rename lambda to alpha in plot_lasso_coordinate_descent_path. (Re)-Closes #903.
DOC clarification of parameter search
AdaBoost: use estimator weights in predict_proba
TST + DOC AdaBoostClassifier.predict_proba fix
COSMIT refactor AdaBoost code
DOC fetch_20newsgroups returns the text, not text files. see SO question: http://stackoverflow.com/questions/16615523/using-scikits-kmeans-to-cluster-ones-own-documents
DOC Fixed documentation of kernel parameters: sigm uses gamma, but not degree. Closes #1972.
ENH add multilabel support to PRF metric family

Support also in classification_report
DOC fix typos
COSMIT shorten long line for pep8
ignore PDFs
ENH Create FeatureSelectionMixin for shared [inverse_]transform code

Also rename FeatureSelectionMixin -> SelectorMixin -> _LearntSelectorMixin
And rename sklearn.feature_selection.{selector_mixin -> from_model}
Merge branch 'master' of https://github.com/AlexandreAbraham/scikit-learn into blockwise_silhouette