Changes to port:
* Abstract ${BUILDDIR} for files/Makefile
* Remove MAKE_JOBS_SAFE (depreciated)
* Use "USE_GCC=yes+" as recommended by portlint
Highlights:
* Bugfixes to the ARM JIT backend, so that ARM is now an officially
supported processor architecture
* Stacklet support on ARM
* Interpreter improvements
* Various numpy improvements
* Bugfixes to cffi and ctypes
* Bugfixes to the stacklet support
* Improved logging performance
* Faster sets for objects
A patch that tought _sqlite3.py where to find sqlite3.h and sqlite3.so was
not added with the previous commit.
Approved by: eadler,bdrewery (mentors, implicit)
