Merge pull request #2536 from christianmbrodbeck/doc

DOC: fix spatial.distance.squareform() argument/return parameters
Merge pull request #2533 from rgommers/fix-nonint-usage

Fix incorrect non-integer usage in function calls.
DOC: sparse: add link to Strongly Connected Components algorithm details.
MAINT: Removed extraneous #include <iostream>
Merge pull request #2527 from cowlicks/bool-dtype-support

ENH: sparse: initial bool dtype support in SWIG+sparsetools
PEP8: Fix errors in latest changes
PEP8: Fix errors in latest changes
Merge PR 2538 from timleslie/pep8 into master.

https://github.com/scipy/scipy/pull/2538
Merge pull request #2531 from fhs/wiener-mysize-fix

BUG: accept scalar mysize argument in signal.wiener
added missing depend attributes (travis build fails on py3.3?)
clean up tests
ENH: interpolate: implement spline derivatives and antiderivatives

Implement routines for computing B-splines representing derivatives and
antiderivatives of B-splines.
ENH: interpolate: add derivative+antiderivative to UnivariateSpline, too
BUG: interpolate: refuse to differentiate order 0 splines (which are not differentiable)
STY: interpolate: get rid of repeated packing/unpacking in splder
BUG: interpolate: refuse in splder to differentiate splines with too many repeated knots
DOC: interpolate: fix doc issues in splder/splantider
TST: interpolate: fix splder/splantider tests
Merge pull request #2445 from pv/splder

ENH: interpolate: implement spline derivatives and antiderivatives
DOC: stats: add nanmean, nanstd and nanmedian to the stats module-level documentation.