PEP8 + PyFlakes
FIX: broken test
FIX: one more bug
FIX: remove prints
DOC: edited some docstrings
DOC: added references into classes.rst
ENH: rename boost method to _boost
DOC: cosmits + narrative documentation (begin)
DOC: proper citations
DOC
FIX: TypeError for regressor
FIX minor comment
FIX: docs, code clean up, learn_rate -> learning_rate
FIX: plot_adaboost_classification.py
don't enforce DTYPE at the ensemble level
DOCS: note generator behaviour in staged methods
TEST: make test_importances more stable
DOC: narrative documentation
DOC: What's new
TEST: base_estimator