BUG: ndimage: fix swapped 64-bitness test
TST: adding failing tests for #3111

It is indeed the fast-path change that broke dtype behavior.
BUG: fixing issue #3111
Merge pull request #3118 from perimosocordiae/patch-2

BUG: sparse: fix dtype regression for [hv]stack

Fixes gh-3111
BUG: only normalize eigenvectors if they have been computed
Merge pull request #3122 from andrenarchy/eig-fix

BUG: linalg: fix division by zero in generalized eigenvalue problem
pep8ify distribution.py

- mostly missing whitespace after ","
- linebreaks
- indentation
Use more common form of triple-quote strings (pep8 compliant).
ENH: Add callback to slsqp in scipy.optimize
Merge pull request #3120 from matthias-k/slsqp-callback
Merge pull request #3126 from sotte/pep8_distributions

pep8ify stats/distributions.py
ENH: optimize: choose method automatically in minimize

Make usage easier by choosing an appropriate solver.
Merge pull request #3117 from pv/ndimage-label-fix2

BUG: ndimage: fix swapped 64-bitness test
Merge pull request #3133 from pv/minimize-method-auto

ENH: optimize: choose method automatically in minimize
DOC: add 0.13.2 release notes.
MAINT: deprecate simulated annealing
DOC: release notes
MAINT: use numpy decorator for deprecation
MAINT: deprecate the Anneal method with the minimize() framework
MAINT: typo