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
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
haskellPackages.iCalendar: New expression
clang: the --sysroot purity trick doesn't take care of the -dynamic-linker setting

Signed-off-by: Shea Levy <shea@shealevy.com>
Added SublimeText3 support. SublimeText2 and SublimeText3 can be installed side by side.
They provide 'sublime', 'sublime2' and 'sublime3' commands. SublimeText3 has lower precedense than SublimeText2
because its in beta mode (for over a year now)
Merge pull request #1614 from ocharles/haskellPackages.iCalendar

haskellPackages.iCalendar: New expression
Merge pull request #1612 from ocharles/haskellPackages.fay

haskellPackages.fay: New expression