Add ninja
Add GNU make
Add CMake
Improve the pacman package.
 - Add config files to backup list.
 - Configure makepkg.conf to include wolfbox in CHOST, and enable some
   hardening options.
 - Use xz compression by default.
Update tzdata
Update glibc and add unlink() hardening patch
Upgrade to GCC 4.9.1, add additional hardening to makepkg.conf, and make nginx PIE