MAINT: update .gitattributes
GEN: special: regenerate
MAINT: specal: remove unused files
MAINT: special: move also orthogonal_eval ufuncs to the new ufunc system
GEN: special: regenerate
BLD: special: update scons + bento
MAINT: special: no need to import add_newdocs
DOC: special: add more explanations to generate_ufuncs.py
MAINT: special: remove unused/outdated files
DOC: special: add some missing ufunc documentation
STY: special: Py_complex -> npy_cdouble
BUG: special/_ufuncs: fix wrong function signatures
ENH: special/generate_ufuncs: check at compile-time that function signature is what was assumed
ENH: special/generate_ufuncs: more consistent special function cast rules
GEN: special: regenerate
REF: use ant pattern for test scripts.
REF: use bento blas/lapack instead of custom.
Merge pull request #331 from pv/ticket/1741

BUG: special: replace wofz implementation with license-compatible one (#1741)
DOC: add parameters, returns and an example to fftpack.rfftfreq docstring.

Also some style fixes and code clean-up.

Reviewed at https://github.com/scipy/scipy/pull/321
BUG: special: fix compilation of _ufuncs_cxx extension