dnsmasq: Add extraConfig option
Make the installer work on systemd

Systemd mounts the root filesystem as a shared subtree, which breaks
recursive bind mounts.
Make install-grub.pl work when $PATH is empty
Use new-style fileSystems
Systemd requires the latest Nix
Remove unnecessary (AFAICT) call to toPath
Installer test: fix nix-push call

http://hydra.nixos.org/build/3331147
Add a GRUB 1 dependency

http://hydra.nixos.org/build/3331139
Merge master.
Fixed the documentation for programs.ssh.forwardX11 to account for the X11 SECURITY extension.
Merge pull request #40 from falsifian/master

Change the default value of programs.ssh.forwardX11 to false.
Add option for specifying shell aliases, environment.shellAliases.
Add nslcd (nss-pam-ldapd) uid and gid
Add support for nslcd (nss-pam-ldapd) as users.ldap.daemon option
Merge pull request #33 from rickynils/nslcd

Adds the option users.ldap.daemon which, handles NSS and PAM requests by talking to a local nslcd daemon instead of directly to the LDAP server.
Merge pull request #29 from rickynils/shellaliases

Generate shell aliases programatically
Add ec2.metadata (default false) option whether to allow access to EC2 metadata API.
Add rngd service.

Inspired by http://pkgs.fedoraproject.org/cgit/rng-tools.git/tree/rngd.service?id=27b1912b2d9659b6934fd4c887e46c13958e7e3c
Typo
Add options for specifying binary caches