implemented choice of cuts in Legendre function P
Merge remote-tracking branch 'upstream/master' into clpmn
fixing signs in the derivative of LegendreP
.travis.yml: pip install from wheels to avoid lengthy compilations
MAINT: remove unnecessary things from .travis.yml
Merge pull request #3020 from  msabramo/travis_use_wheels

MAINT: .travis.yml: pip install from wheels to avoid lengthy compilations
MAINT: runtests: add option for gcov
Merge pull request #3021 from pv/gcov

MAINT: runtests: add option for gcov
DOC: logit and expit docstrings -- fix typo and add versionadded
DOC: typo contrained->constrained
DOC: versionadded for some special functions
Merge pull request #3027 from argriffing/typo-contrained

DOC: typo contrained->constrained
Merge pull request #3028 from argriffing/versionadded-xlogy

DOC: versionadded for some special functions
GEN: special: regenerate _ufuncs.pyx
MAINT: run generate_ufuncs.py
Merge pull request #3031 from WarrenWeckesser/special-regen-ufuncs

GEN: special: regenerate _ufuncs.pyx
MAINT: remind old scipy 0.10.0 release notes about logit and expit
Merge pull request #3026 from argriffing/expit-logit-docstrings

DOC: logit and expit docstrings -- fix typo and add versionadded
BUG: stats.entropy broken (issue #3030)

stats.entropy will fail when calculate relative entropy of arrays have
ndim > 1. (issue #3030)
assign -inf to vec after call to xlogy