Check for SSL Cert value before building with SSL support.
Add HTTPD SSH assertion to check null cert/key.
Check empty stringfor globalRedirect. It breaks RedirectPermanent.
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
Add libyubikey (aka yubico-c) package
Add ykpers (aka yubikey-personalization) package
Implement authentication for a LUKS device with a yubikey (HMAC-SHA1); supports simple challenge-response and two-factor authentication
Add #include <unisted.h> for sleep and usleep
llvm: Bring back old expressions for llvm & clang 3.[123].
llvm: Enable also building of LLVM 3.[12] & Clang 3.[123].
clang_31: Allow clang to find system includes in gcc dirs.
Backported fix.
LLVM: Allow building gold plugins together with llvm 3.{1,2}.
Merge branch 'vlstill-llvm-multivers'
Add docker
Unmaintain old llvm versions

Signed-off-by: Shea Levy <shea@shealevy.com>
haskell-highlighting-kate: re-generate with cabal2nix
haskell-happstack-server: re-generate with cabal2nix
idris: re-generate with cabal2nix
trifecta-1.2: re-generate with cabal2nix