Update VirtualBox (and implicitly VirtualBox Guest Additions) to 4.3.6 and Oracle VM VirtualBox Extension Pack to 91406
Follow renaming of services.xserver.videoDrivers to services.mesa.videoDrivers for VirtualBox Guest
add normal theme support for slim and slimlock
Add "vboxsf" to the kernel modules for VirtualBox Guest Additions 4.3.6
glibc: Rename 2.18 -> 2.19
glibc: Update to 2.19
coreutils: Disable parallel building
valgrind: Support Glibc 2.19
Merge remote-tracking branch 'origin/master' into glibc-2.19
checkinstall: fix build with glibc-2.19
go: don't assume sse2 on i686 (maybe fixes build)
glibc: do not use system ld.so.preload (close #1788)

Modified according to the PR comment.
Update Virtualbox and Guest Additions to 4.3.8, Oracle Extensions to 92456
glibc: fix a math problem by upstream patch
slim: remove duplicate code
power-management: Don't enable acpid.
Running acpid along with systemd will cause double handling of acpi events.
Enable acpid if nvidia driver is being used.
The NVidia driver wants to connect to acpid to receive ACPI events.
Add sloane -- a command line interface to OEIS.
z3: version 4.3.1

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Merge master into x-updates