code cleanups
small optimization
change calloc to malloc
Add -lkvm on FreeBSD
Add qast_core.t tests, from nqp-jvm-prep.

Include a failing one for next/last control exception in nqp::for,
which is what also blocks QAST -> MAST in selfhost.
Control exception handlers for nqp::for.
Add -lkvm on OpenBSD NetBSD
[build] remove CoreFoundation dependency
fixed darwin build
kill broken tests "fernau"
Merge branch 'master' of https://github.com/MoarVM/MoarVM
note todo
note todo better
Merge branch 'master' into stdtypes

Conflicts:
	src/io/procops.c
Merge branch 'stdtypes' into tinymt