kernel.passthru: Don't include meta to be consistent with stdenv.mkDerivation

Signed-off-by: Shea Levy <shea@shealevy.com>
grsecurity: Fix build under new generic kernel derivation
grsecurity: Update stable and test patches

stable: 3.0-3.2.53-201312021727 -> 3.0-3.2.54-201401191012
test:   3.0-3.12.2-201312021733 -> 3.0-3.12.8-201401191015
===== RG: r/grsecurity =====
paxctl: New package

A tool for controlling PaX flags on a per binary basis.
gradm: New package

grsecurity's RBAC administration utility.
spl: Fix compilation with grsecurity's constify plugin and kernels < 3.8
qimageblitz: Mark stack as non-executable (patch taken from Gentoo)

This allows applications such as okular and kolourpaint to run in
grsecurity kernels, which disallow executable stacks by default.
firefox: Add support for grsecurity
chromium: Add support for grsecurity
polkit: Add support for grsecurity
llvm: Add support for grsecurity
gcc: Add support for grsecurity
oraclejdk7: Add support for grsecurity
spidermonkey: Add support for grsecurity
gstreamer: Add support for grsecurity
grub: Add support for grsecurity
ghc: Add support for grsecurity
mesa-noglu: Add support for grsecurity