Fix for #4655: Make fftpack._raw_fft threadsafe
MAINT: Remove deprecated importall.

The importall function was the only function in the numpytest.py
file, so remove the whole file.
DOC: Update the release notes.

Remove duplicated "New Features" heading.
Note removal of numpytesting.py file containing importall function.
Add comments to clarify cache handling in _raw_fft
MAINT:Ignore boolean '-' deprecation warnings in nosetester.py

This allows numpy 1.9 testing to be used with current scipy
without flooding the output with deprecation warnings.

The deprecation warnings are currently issued for both the
subtract and negative operators when used with booleans.
Added regression tests for #4655
DOC: update 1.9.0-notes.
BUG: Add @DEFINE_NPY_RELAXED_STRIDES_CHECKING@ to _numpyconfig.h.in.

The entry is needed for Bento builds to correctly configure numpy.
Merge pull request #4682 from charris/fix-_numpyconfig.h.in

BUG: Add @DEFINE_NPY_RELAXED_STRIDES_CHECKING@ to _numpyconfig.h.in.
Make TestFFTThreadSafe tests Py3-compatible
Merge pull request #4656 from foogod/master

Fix for #4655: Make fftpack._raw_fft threadsafe
Merge pull request #4680 from charris/pre-1.9.x-branch

Pre 1.9.x branch
removing call to asanyarray
Merge pull request #4684 from perimosocordiae/patch-1

BUG: argwhere is not equivalent to transpose(nonzero(...)))
BUG: mtrand binomial algorithm is different from original paper algorithm
TST: update package list for chroot build

travis boxes are again badly out of date
Merge pull request #4691 from juliantaylor/travis-fix

TST: update package list for chroot build
Updated release notes to warn users about RNG state changes
Merge pull request #4687 from wa03/randBinomFix

BUG: mtrand binomial algorithm is different from original paper algorithm