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.
Merge branch 'master' of github.com:msackman/nixpkgs
Merge branch 'master' of github.com:msackman/nixpkgs
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
Add docker
Merge pull request #1581 from offlinehacker/pkgs/docker/add

Add docker
junixsocket: Ensure that the native library can be found
haskellPackages.fay: New expression
haskellPackages.fayBase: New expression
youtubeDL: update from 2014.01.23.1 to 2014.01.23.4
rfkill: Update to 0.5
rcs: Update to 5.9.2
wdiff: Update to 1.2.1