DOC: document broadcastable lam parameter of poisson

closes gh-4526
DOC: fix signature of PyArray_NewShape in C-API docs

closes gh-4579
DOC: remove wrong mention of .gz in np.load

closes gh-312
DOC: fix a couple mistakes in the indexing documentation

closes gh-618
DOC: update numpydoc to tag v0.5
DOC: add full/full_like

closes gh-4805
[ci skip]
Fix typemap for Fortran ordered array input

The typemaps with size parameters after the array pointer were correct,
but the typemaps with size parameters before the array pointer created
arrays with C ordering.
Merge pull request #4803 from juliantaylor/doc-updates

Doc updates
Merge pull request #4809 from adamreeve/swig_typemap_fix

Fix SWIG typemaps for Fortran ordered array input