MAINT: make loggam static in random kit
DOC: add isclose and partition to reference and link some docs

also drop sometrue/alltrue link, its equivalent to any/all.
Merge pull request #3741 from juliantaylor/doc-update

DOC: add isclose and partition to reference and link some docs
Merge pull request #3700 from larsmans/static-loggam

MAINT: make loggam static in random kit
DOC: Make documentation of nansum current with 1.9.

Simply state that Numpy versions < 1.9 returned nan instead of zero
for the sum of empty slices.
BUG: use correct type for hash values

As of Python 3.2 hash values are of type Py_hash_t. Previous versions use C long.
Merge pull request #3747 from cgohlke/py_hash_t

Fix issue #3743: Hash changed signature in Python 3.3
Merge pull request #3746 from charris/fix-nansum-documentation

DOC: Make documentation of nansum current with 1.9.