DOC clarify order of output in NB predict_proba
Small documentation fix: from CMS to VCS
TST Gini is equivalent to mse in binary classification
Merge pull request #2743 from eltermann/doc_fix

Small documentation fix: from CMS to VCS
Merge pull request #2744 from arjoly/test-impurity

TST Gini is equivalent to mse in binary classification
FIX don't put data in source dir in bench_covtype

When running under a tool such as @fabianp's profiler yep,
dirname(__file__) is the location of the tool's __main__.py
instead of the benchmarks directory.

Also, we shipped a tarball containing a large dataset before.
Test primal-dual relationship in Ridge.
More robust test for sample_weight in Ridge.
fix: remaining time not currectly computed
Merge pull request #2753 from pprett/gbrt-verbose-remaining-time

fix: remaining time not currectly computed
OPTIM MSE criterion
OPTIM more optimisation of mse
OPTIM more optimisation of mse

COSMIT
ENH use memset instead of for loop
Typo
Update what's new
Merge pull request #2745 from arjoly/mse-criterion

[MRG] Optimize mean square criterion