FIX: logaddexp(-inf, -inf) == -inf and not NaN
Merge branch 'master' of github.com:scikit-learn/scikit-learn into logaddexp-fix
DOC: add docstring to _logaddexp
DOC: bootstrap=True by default
ENH reduce memory overhead of storing tree ensemble
Merge pull request #2438 from arjoly/tree-mem-overhead2

[MRG] ENH reduce memory overhead of storing tree ensemble
Update what's new