updated docs to fix formatting errors
Merge pull request #2163 from ianozsvald/fix_plot_forest_iris_docs

Updated docs to fix formatting errors
ENH add multioutput support to KNeighborsRegressor
ENH add multioutput support to RadiusNeighborsRegressor
ENH add multioutput support for KNeighborsClassifier
ENH add multioutput support to RadiusNeighborsClassifier
DOC + example with multioutput regression face completion for knn
ENH allows make_multilabel_classification to return label indicator format
ENH TST grid search with multioutput
ENH TST random search with multioutput data
DOC gridsearch support mulioutput data
TST cross_val_score with multioutput data
DOC more information about which classifier support multilabel
DOC unveil that some estimators support multilabel classification and multioutput-multiclass classification
COSMIT
Typo
ENH be sure that Y has proper shape
COSMIT remove debug print
DOC better docstring
Typo