lang/pypy(3): update to 5.9
- add lubunwind as dependency: required by vmprof
- disable vmprof on FreeBSD 10: missing base support
- implement support for handles with ctypes.CDLL: fix dynamic loading of shared objects
- enable various tests that were not working on FreeBSD 9
- mark get_profile_path as xfail on FreeBSD
- handle definition of char16_t and char32_t on libc++ for __cplusplus < 201103L (libstdc++ does not do this)
- other minor fixes
ChangeLog:
- NumPy and Pandas now work on lang/pypy
- Cython 0.27.1 supports more projects with PyPy
- JSON parser improvements decrease memory by up to 50% and increase speed by up to 15%
- CFFI updated to 1.11.1